WIWU SW03 Sports Smart Watch - Vermilion | Fitness Tracking, Heart Rate Monitoring, Sleep Analysis | Waterproof, Long Battery Life | Compatible with iPhone, Android, iPad, and Tablets WIWU SW03 Sports Smart Watch – Vermilion | Fitness Tracking, Heart Rate Monitoring, Sleep Analysis | Waterproof, Long Battery Life | Compatible with iPhone, Android, iPad, and Tablets WIWU SW03 Sports Smart Watch : Display: 1.28-inch TFT LCD, 240×240 resolution (full-round display) Sport Modes: 13 sport modes for fitness tracking Health Monitoring: Heart rate monitoring, sleep tracking, step counting Bluetooth Features: Supports Bluetooth calls and notification synchronization Water Resistance: IP68 rating (can be submerged up to 1.5m for 30 minutes) Battery: 200mAh, magnetic charging (full charge in ~2 hours) Battery Life: Over 25 days standby time Build Material: PC/ABS plastic for durability
lenovo battery L16L2PB2 L16M2PB1 L16S2PB2 L16C2PB2 Laptop Notebook Battery for Lenovo 5000-15 2ICP6/55/90 Series 7.4V 30Wh 4050mAh About this item Condition: New Voltage: 7.4V Capacity: 30Wh/4050mAh Replace Part Number: L16M2PB1 L16L2PB2 L16M2PB2 L16S2PB1 L16L2PB3 L16C2PB1 L17L2PF1 L17M2PB7 L16C2PB2 L16L2PB1 L16M2PB3 2ICP6/55/90 Fit For: Lenovo 5000-15 Series Raise the battery life: 1: After receiving the battery, Please charge it fully, discharge it to around 10, and do it three times. 2: If you don’t use the battery for a long time, please charge and discharge it once a month
Are you looking to upgrade your monitor for a better viewing experience? The MSI Pro MP2422C 24″ 100Hz Curved Monitor might be just what you need. This monitor combines sleek design with advanced features, making it perfect for work and entertainment. Firstly, let’s talk about the stunning 24-inch curved display. The curved screen provides a more immersive viewing experience, wrapping around your field of vision. This design reduces eye strain and makes long hours in front of the screen more comfortable. The MSI Pro MP2422C boasts a 100Hz refresh rate. This high refresh rate ensures smooth and fluid visuals, whether you’re watching videos, playing games, or scrolling through web pages. Say goodbye to screen tearing and stuttering with this impressive feature. Moreover, the monitor offers Full HD resolution, delivering crisp and clear images. You can enjoy vibrant colors and sharp details, making everything from spreadsheets to movies look fantastic. The MSI Pro MP2422C truly brings your content to life. The MSI Pro MP2422C is also designed with eye care in mind. It includes blue light reduction and anti-flicker technology. These features help reduce eye fatigue and provide a more comfortable viewing experience, especially during long sessions. Connectivity is a breeze with multiple input options, including HDMI and DisplayPort. You can easily connect your PC, laptop, or other devices without any hassle. The versatile connectivity options make this monitor suitable for various setups. In conclusion, the MSI Pro MP2422C 24″ 100Hz Curved Monitor offers an immersive viewing experience, smooth performance, and eye care features. It’s an excellent choice for anyone looking to enhance their work or entertainment setup. Upgrade to the MSI Pro today and enjoy a superior visual experience! Specifications: Display : 23.6″ VA Resolution : 1920 x 1080 (FHD) Refresh Rate : 100Hz Response Rate : 4ms Curvature : 1500R
The 85W MagSafe 2 Power Adapter features a magnetic DC connector so if someone should trip over it, the cord disconnects harmlessly and your MacBook Pro stays put safely. It also helps prevent fraying or weakening of the cables over time. In addition, the magnetic DC helps guide the plug into the system for a quick and secure connection. The 85W MagSafe 2 Power Adapter features a magnetic DC connector so if someone should trip over it, the cord disconnects harmlessly and your MacBook Pro stays put safely. It also helps prevent fraying or weakening of the cables over time. In addition, the magnetic DC helps guide the plug into the system for a quick and secure connection. When the connection is secure, an LED located at the head of the DC connector lights up; an amber light lets you know that your notebook is charging, while a green light tells you that you have a full charge. An AC cord is provided with the adapter for maximum cord length, while the AC wall adapter (also provided) gives you an even easier and more compact way to travel. Designed to be the perfect traveling companion, the adapter has a clever design which allows the DC cable to be wound neatly around itself for easy cable storage. Compatible with MacBook Pro with 13-inch Retina display. See this article for more details about choosing the right one. Knowing which specific Mac model you have is important. If you are running OS X Lion (10.7) or later go to the “” menu at the top left of your screen, choose “About this Mac” then click the “More Info…” button. Your Mac model and generation will be displayed. If you are running an earlier version of OS X, you can enter your serial number here to find out which model you have. COMPATIBILITY Mac Models: MacBook Pro (Retina, 13-inch, Late 2012 – 2015)
POUT E3 Angle - Adjustable Angled Ergonomic Laptop Stand Riser - Notebook Computer Holder Compatible w/MacBook Air Pro Dell HP & More 11"-17" Laptops - Foldable & Portable w/ 5 Angles (Silver) POUT E3 Angle – Adjustable Angled Ergonomic Laptop Stand Riser – Notebook Computer Holder Compatible w/MacBook Air Pro Dell HP & More 11″-17″ Laptops – Foldable & Portable w/ 5 Angles (Silver)
Are you in search of a high-performance gaming monitor? Look no further! The MSI MPG 274URF QD 27″ 160Hz gaming monitor is here to elevate your gaming experience. This monitor combines cutting-edge technology with sleek design to provide an unbeatable gaming setup. Firstly, let’s talk about the impressive display. The 27-inch screen size offers ample viewing space, making every detail pop. The Quantum Dot technology ensures vibrant and accurate colors, enhancing the overall visual experience. In addition, the 160Hz refresh rate is a game-changer. It ensures smooth and fluid motion, reducing blur and lag. This is essential for fast-paced games where every millisecond counts. With the MSI MPG 274URF QD, you can stay ahead of the competition. Moreover, the 1ms response time minimizes input lag. This allows for quick reactions and precise movements, crucial for competitive gaming. Every action you take will be instantaneously reflected on the screen, providing a seamless gaming experience. Furthermore, this gaming monitor supports HDR, delivering stunning contrast and brightness. You will enjoy deeper blacks and brighter whites, bringing your games to life. The detailed shadows and highlights will immerse you in the game world like never before. Comfort is also a key feature of the MSI MPG 274URF QD. The ergonomic design allows you to adjust the height, tilt, and swivel to find the perfect viewing angle. This ensures you can game comfortably for hours without straining your neck or eyes. Additionally, the monitor comes with multiple connectivity options. Easily connect your PC, console, or other devices with the available HDMI, DisplayPort, and USB ports. This versatility makes it a great addition to any gaming setup. In conclusion, the MSI MPG 274URF QD 27″ 160Hz gaming monitor offers superior performance and stunning visuals. Whether you’re a casual gamer or a professional, this monitor will enhance your gaming experience. Upgrade your setup today and enjoy the best in gaming technology! Specifications: Display : 27″ Rapid IPS Resolution : 3840×2160 (UHD) Refresh Rate : 160Hz Response Rate : 0.5ms
The Maxfree S2 14″ Portable Laptop Screen Extender lets you expand your workspace with dual or triple displays. First, it connects easily via USB-C or HDMI to your laptop. The screen features full HD resolution, anti-glare technology, and a slim, lightweight design for portability. In addition, it supports multiple monitor setups, boosting productivity for work, gaming, or streaming. Moreover, its adjustable stand and foldable design make it easy to carry and set up anywhere. Therefore, users can enjoy a seamless multi-screen experience without compromising desk space or mobility. Specifications: 14″ full HD screen provides sharp visuals for work and entertainment USB-C and HDMI connectivity support dual or triple monitor setups Slim, lightweight design ensures portability and easy setup Adjustable stand and foldable design for versatile positioning Compatible with laptops and devices for seamless multi-screen productivity
The ViewSonic VA2760-H 27″ FHD 100Hz Monitor delivers sharp and clear visuals for work, study, and entertainment. Its Full HD resolution shows strong detail. The large 27-inch screen gives you more room to multitask. This helps you stay organized and productive. Moreover, the ViewSonic VA2760-H 27″ FHD 100Hz Monitor features a smooth 100Hz refresh rate. This refresh rate makes movement look clean and fluid. It reduces motion blur during fast scenes. This creates a more enjoyable viewing experience. In addition, the monitor uses an advanced panel that provides bright colors. The colors stay accurate from wide angles. This helps your content look consistent and natural. It is perfect for photos, videos, and daily tasks. Furthermore, the ViewSonic VA2760-H 27″ FHD 100Hz Monitor includes important eye-care features. Flicker-Free technology protects your eyes during long sessions. The blue light filter adds extra comfort. These features help reduce eye strain every day. Also, the monitor offers HDMI and VGA ports for easy connection. You can link desktops, laptops, and gaming consoles quickly. The setup process is simple for all users. This makes the monitor suitable for home or office use. The design of the ViewSonic VA2760-H 27″ FHD 100Hz Monitor is modern and clean. The slim frame gives your workspace a sleek look. It fits well in many setups and desk sizes. The build quality is strong and durable. Overall, the ViewSonic VA2760-H 27″ FHD 100Hz Monitor provides smooth performance, bright visuals, and eye comfort. It improves your workflow and entertainment experience. It is ideal for students, gamers, and professionals who want quality and simplicity. Specifications: Display : 27″ IPS Resolution : 1920×1080 Refresh Rate : 100Hz Response Time : 1ms
Apple MacBook Pro 15” (2018) — professional-grade performance for creative power users.• Intel Core i9 • 32 GB RAM • 500 GB SSD • 4 GB Dedicated GraphicsRetina Display | macOS |
The MSI G244PF E2 Gaming Monitor features a 23.8″ Rapid IPS panel with Full HD (1920 x 1080) resolution and a high 180Hz refresh rate. This delivers quick and smooth visuals for responsive gaming and everyday use. It also provides a fast 1ms Gray‑to‑Gray response time, which reduces motion blur in fast‑moving games. Adaptive‑Sync technology helps reduce screen tearing and stuttering for fluid gameplay. The monitor includes Night Vision for better detail in dark areas, anti‑flicker and less blue light features to lower eye strain. Wide 178° horizontal and vertical viewing angles keep colors consistent from different positions. The fully adjustable stand lets you tilt, swivel, pivot, and change height for ergonomic comfort. The MSI G244PF E2 Gaming Monitor is ideal for users who want smooth, responsive visuals and ergonomic adjustability. Specifications: 23.8″ Full HD Rapid IPS panel with wide viewing angles 180Hz refresh rate for smooth and responsive visuals 1ms Gray‑to‑Gray response time to reduce motion blur Adaptive‑Sync technology to minimize screen tearing Adjustable stand with tilt, swivel, pivot, and height options
VSTAR UA150 1500VA UPS | Simulated Sine Wave Output | 230V | 24VDC Battery System | 50/60Hz Auto Sensing | Compact Design | Black Color | Model UPS-UA150 Robust 1500VA Power CapacityThe VSTAR UA150 delivers 1500VA of reliable backup power to safeguard your essential electronics, including PCs, servers, routers, and security systems. Dual Voltage CompatibilitySupports 110/120V or 220/230/240V input, making it ideal for use in a variety of international voltage environments. Stable 230V Output with AVR FunctionalityMaintains a consistent 230VAC output, protecting connected devices from voltage fluctuations and surges. Simulated Sine Wave OutputProvides a simulated sine wave waveform suitable for most common electronics, especially during normal backup operations. Auto-Sensing FrequencyAutomatically detects 50Hz or 60Hz power sources, adapting to your electrical environment without manual adjustments. Compact, Space-Saving DesignMeasuring just 353 x 149.3 x 162 mm, the UA150 fits neatly on or under desks, in server cabinets, or against walls. Reliable 24VDC Battery SystemOperates on a 24VDC internal battery configuration, delivering longer runtimes and better reliability during outages. Universal Output SocketsEquipped with IEC-style or universal output sockets that are compatible with a wide range of devices. Sleek Black FinishA clean and modern black color allows it to blend seamlessly into professional or home environments. Ideal for Home or OfficeProtects critical electronics, telecom gear, and POS systems from data loss and downtime.
The LG UltraGear 24″ 180Hz Gaming Monitor delivers exceptional performance for gamers seeking speed and visual precision. Its 23.8-inch Full HD IPS display ensures sharp images and vibrant colors from wide viewing angles. With a rapid 180Hz refresh rate and 1ms (GtG) response time, this monitor minimizes motion blur, providing smooth gameplay even in fast-paced scenarios. These features give you a competitive edge by allowing quicker reactions during intense gaming sessions. The monitor supports HDR10 and covers 99% of the sRGB color spectrum, enhancing visual immersion with rich and accurate colors. This ensures that game environments appear more lifelike and engaging. Equipped with both NVIDIA G-SYNC and AMD FreeSync technologies, the UltraGear monitor reduces screen tearing and stuttering. This compatibility ensures a seamless gaming experience across various graphics cards. Its virtually borderless design on three sides offers an immersive viewing experience, making it ideal for multi-monitor setups. The sleek aesthetics complement any gaming or workstation setup. Additional gaming features like Black Stabilizer, Crosshair, and FPS Counter provide enhanced visibility and targeting precision. These tools assist in identifying enemies and maintaining focus during gameplay. The monitor includes both HDMI and DisplayPort inputs, offering flexibility in connectivity options for different devices. This ensures compatibility with various gaming consoles and PCs. In summary, the LG UltraGear 24″ 180Hz Gaming Monitor combines high-speed performance, vivid visuals, and gamer-centric features, making it a solid choice for both casual and competitive gamers. Specifications: Display : 24″ VA Resolution : FHD 1920 x 1080 Refresh Rate : 180Hz Response Rate : 5ms GTG
Are you a serious gamer looking to elevate your gaming setup? The MSI MPG 271QRX QD-OLED 27″ 360Hz Gaming Monitor is the perfect choice. With cutting-edge features and stunning visuals, this monitor will transform your gaming experience. Firstly, let’s talk about the impressive 360Hz refresh rate. This ultra-fast refresh rate ensures smooth and fluid gameplay. You’ll experience minimal motion blur, giving you a competitive edge in fast-paced games. In addition to the refresh rate, the QD-OLED technology offers exceptional color accuracy and contrast. The vivid colors and deep blacks will make every game come to life. Whether you’re exploring detailed landscapes or engaging in intense battles, the visuals will be breathtaking. Moreover, the 27-inch screen size provides an immersive gaming experience. The large display allows you to see more of the game world, enhancing your overall gameplay. It’s the perfect size for both competitive and casual gaming. The MSI MPG 271QRX also features a sleek and modern design. With its slim bezels and adjustable stand, it fits seamlessly into any gaming setup. You can tilt, swivel, and adjust the height for the perfect viewing angle. Furthermore, the monitor is equipped with multiple connectivity options. It includes HDMI, DisplayPort, and USB ports, making it easy to connect all your devices. You won’t have to worry about compatibility issues with your gaming rig. Another highlight is the monitor’s ergonomic design. Long gaming sessions can take a toll on your posture, but this monitor helps alleviate that. With customizable settings, you can maintain comfort during extended play. In conclusion, the MSI MPG 271QRX QD-OLED 27″ 360Hz Gaming Monitor is a game-changer. With its high refresh rate, stunning visuals, and ergonomic design, it’s perfect for serious gamers. Upgrade your setup and unleash your full gaming potential today! Specifications: Display : 26.5“” QD-OLED Resolution : 2560×1440 (WQHD) Refresh Rate : 360Hz Response Rate : 0.03ms (GtG)
Genuine-spec touchpad flex cable for MacBook Pro 15″ (Model A1706 – 2017 and A1989 – 2018/2019)—restores full Force Touch functionality, haptic feedback, and precise multi-touch gesture control during trackpad repair or replacement. Compatible With: MacBook Pro 15″ (2017) – Model A1706 (Model Identifier: MacBookPro14,3) MacBook Pro 15″ (2018–2019) – Model A1989 (Model Identifier: MacBookPro15,2) ✅ Note: Apple used the same trackpad assembly and flex cable across both A1706 and A1989 15″ models—making this part interchangeable between them. MacBook Pro 15″ (2017) – Model A1706 (Model Identifier: MacBookPro14,3) MacBook Pro 15″ (2018–2019) – Model A1989 (Model Identifier: MacBookPro15,2) ✅ Note: Apple used the same trackpad assembly and flex cable across both A1706 and A1989 15″ models—making this part interchangeable between them. ✅ Note: Apple used the same trackpad assembly and flex cable across both A1706 and A1989 15″ models—making this part interchangeable between them. Part Type: Touchpad flex cable only — does not include the trackpad housing, Taptic Engine, or mounting hardware. This is the OEM-style ribbon cable connecting the trackpad to the logic board. Function: Transmits: Touch input coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support: Force Click, three-finger lookup, swipe navigation, pinch-to-zoom, and smooth cursor tracking. Touch input coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support: Force Click, three-finger lookup, swipe navigation, pinch-to-zoom, and smooth cursor tracking. OEM-Quality Build: Matches Apple’s original in: Cable length and routing Connector pitch and ZIF latch design EMI shielding and flex durability Cable length and routing Connector pitch and ZIF latch design EMI shielding and flex durability Common Use Cases: Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Installation Note: Requires full bottom case removal and battery disconnection. Cable routes under internal components near the right speaker and logic board. Connects via a ZIF (Zero Insertion Force) socket—must be aligned carefully and latched gently. Recommended for experienced or certified technicians only. Requires full bottom case removal and battery disconnection. Cable routes under internal components near the right speaker and logic board. Connects via a ZIF (Zero Insertion Force) socket—must be aligned carefully and latched gently. Recommended for experienced or certified technicians only.
Philips 278B1 27-inch 4K UHD IPS monitor delivers sharp detail and professional-grade clarity for productivity, design, and everyday office work. It focuses on UltraClear 4K resolution, ergonomic adjustability, and eye comfort features. Additionally, it features a 27-inch IPS panel with 4K UHD resolution (3840 × 2160). This provides high pixel density and precise detail, so it improves multitasking and content accuracy. Moreover, it supports a 60Hz refresh rate with a 4ms response time. As a result, it delivers stable and smooth performance for office tasks and media use. The monitor offers a 350 cd/m² brightness level and strong contrast performance. Therefore, it improves visibility and keeps images clear in different lighting conditions. In addition, it includes wide 178° viewing angles using IPS technology. This ensures consistent color and clarity from almost any position. Furthermore, it comes with a fully adjustable ergonomic stand. It supports height, tilt, swivel, and pivot adjustments for better comfort during long working hours. It also includes eye comfort features such as Flicker-Free and LowBlue Mode. So it helps reduce eye strain during extended screen use. Philips 278B1 27-inch 4K UHD IPS monitor provides sharp visuals, flexible ergonomics, and productivity-focused performance for professional environments. Specifications: 27-inch IPS panel with 3840 × 2160 4K UHD resolution 60Hz refresh rate with 4ms response time 350 cd/m² brightness with strong contrast performance Fully adjustable stand with height, tilt, swivel, pivot Flicker-Free and LowBlue Mode for eye comfort
Original MacBook Pro 13″ (A2338) Display Assembly in Silver, including LCD, Retina panel, backlight, camera, Wi-Fi antennas, hinges, and aluminum lid. Compatible with M1 MacBook Pro 13″ (2020). Ideal for replacing cracked, damaged, or faulty screens. ✔️ Complete Display Assembly: Includes LCD, digitizer, housing, hinges, webcam, and antenna modules. ✔️ Retina Resolution: 2560 × 1600 native resolution with True Tone support. ✔️ Genuine Fit for A2338: Designed specifically for the MacBook Pro 13″ (A2338) – M1 2020 model. ✔️ Accurate Color & Brightness: 500 nits brightness, P3 wide color gamut, and high contrast. ✔️ Silver Aluminum Finish: OEM-grade aluminum lid matching the original color and texture. ✔️ Plug-and-Play Replacement: No programming required — direct connector compatibility. ✔️ Ideal for Repair: Suitable for replacing damaged, flickering, bleeding, or cracked screens.
The Lenovo 65W Round-Tip AC Adapter (AU) provides reliable and efficient power for compatible Lenovo laptops. Designed with a round-tip connector and Australian plug, it’s perfect as a replacement or travel charger. ⚡ 65W Power Output: Delivers stable and efficient charging for Lenovo laptops and notebooks. 🔌 Round-Tip Connector: Designed specifically for Lenovo models using the classic round charging port. 🇦🇺 AU Power Plug: Built for Australian power outlets — ideal for home, office, and travel use in AU regions. 👜 Compact & Portable: Lightweight design makes it easy to carry in a bag or backpack. 🔒 Safe Charging: Features over-voltage, over-current, and short-circuit protection. 🛠️ OEM-Compatible: Works with a wide range of ThinkPad, ThinkBook, and IdeaPad models using round-tip charging.
Experience the future of gaming with the Samsung Odyssey G9 49″ 240Hz Curved Gaming Monitor. This ultra-wide display wraps around your vision for complete immersion. With a 49-inch screen, it feels like two monitors in one. The 1000R curvature matches the natural curve of the human eye. So, your games feel more real and more engaging. Thanks to the 240Hz refresh rate, every frame loads lightning fast. No more motion blur, just smooth and fluid gameplay. Moreover, the 1ms response time helps you stay ahead of the competition. React instantly to every move, shot, or surprise attack. The Samsung Odyssey G9 49″ 240Hz Curved Gaming Monitor also supports NVIDIA G-Sync and AMD FreeSync Premium Pro. Therefore, screen tearing and stuttering are things of the past. Colors look rich and vibrant with QLED technology. Every detail pops, even in the darkest shadows and brightest highlights. In addition, the futuristic design with customizable RGB lighting looks amazing in any gaming setup. It also features multiple ports, making connectivity easy and fast. Whether you’re gaming, streaming, or multitasking, it handles it all with ease. Split-screen tools let you view and work on several apps at once. As a result, productivity and entertainment meet in one screen. If you want the best gaming experience, this is the monitor for you. Choose the Samsung Odyssey G9 49″ 240Hz Curved Gaming Monitor and level up your game today. Specifications: Display : 49″ VA Curvature : 1000R Resolution : DQHD (5,120 x 1,440) Refresh Rate : 240Hz Response Rate : 1ms GTG
Get premium ThinkPad reliability at an incredible value with this pre-owned E14 Gen 3. Powered by the efficient AMD Ryzen 5 5500U 6-core processor, 16GB RAM, and a 512GB SSD, it delivers the perfect balance of performance and portability for students and professionals alike.
Are you looking to elevate your gaming experience? The MSI G27C4 E3 27″ 180Hz Curved Gaming Monitor is the perfect choice. This monitor offers exceptional performance and stunning visuals, making it a top pick for gamers. Firstly, let’s talk about the refresh rate. With an impressive 180Hz refresh rate, this monitor ensures ultra-smooth gameplay. You will notice the difference, especially in fast-paced games where every millisecond counts. The 27-inch curved display provides an immersive viewing experience. The curvature of the screen draws you into the action, enhancing your overall gaming experience. It feels like you’re part of the game, with visuals surrounding you. In addition to its impressive refresh rate and curvature, the MSI G27C4 E3 boasts vibrant colors and sharp details. The Full HD resolution brings your games to life, delivering crisp and clear images. You won’t miss any details, no matter how intense the action gets. Moreover, this gaming monitor features AMD FreeSync technology. This helps eliminate screen tearing and stuttering, providing a seamless gaming experience. Say goodbye to frustrating visual interruptions and enjoy smooth, fluid gameplay. Comfort is also a key feature of the MSI G27C4 E3. The monitor’s adjustable stand allows you to find the perfect viewing angle, reducing strain during long gaming sessions. Plus, the anti-flicker and blue light reduction technologies help protect your eyes. In conclusion, the MSI G27C4 E3 27″ 180Hz Curved Gaming Monitor is a game-changer. It combines high performance, immersive visuals, and comfort to create the ultimate gaming setup. Upgrade your gaming gear today and experience the difference! Specifications: Display : 27″ Rapid VA Resolution : 1920 x 1080 (FHD) Refresh Rate : 180Hz Response Rate : 1ms Curvature : 1500R
