The MSI MAG 275QF 27″ 180Hz Gaming Monitor delivers an immersive experience for competitive and casual gamers. With its high refresh rate, it ensures smooth gameplay. This 27-inch gaming monitor features a Fast IPS panel with a 2560 x 1440 (QHD) resolution. The display offers sharp visuals and vibrant colors, enhancing gaming performance. The wide color gamut ensures lifelike images, making every scene more realistic. With a 180Hz refresh rate and 1ms response time, motion blur is minimized. This allows fast-paced action to remain clear and fluid. It gives gamers an advantage in competitive matches, reducing input lag. The MSI MAG 275QF 27″ 180Hz Gaming Monitor supports Adaptive Sync technology. This feature eliminates screen tearing and stuttering for a smooth experience. Whether playing FPS, racing, or RPG games, visuals stay sharp and fluid. It comes with multiple connectivity options, including DisplayPort and HDMI. This ensures compatibility with gaming PCs, consoles, and other devices. The ergonomic stand allows height, tilt, and swivel adjustments for better comfort. With Eye Care technology, the monitor reduces blue light and flicker. This helps minimize eye strain during long gaming sessions. Gamers can enjoy extended playtime without discomfort. The sleek and modern design of the MSI MAG 275QF 27″ 180Hz Gaming Monitor makes it a great addition to any setup. The ultra-thin bezels provide a more immersive viewing experience, perfect for multi-monitor setups. For gamers looking for speed, clarity, and smooth performance, this monitor is an excellent choice. It enhances both gameplay and overall visual experience. Specifications: Display : 27″ Rapid IPS Resolution : 2560×1440 (WQHD) Refresh Rate : 180Hz Response Rate : 0.5ms
ZOWIE XL2540K TN 240Hz 24.5 Inch 240Hz Refresh Rate; TN Panel Black eQualizer; Color Vibrance Optional Accessory: S Switch & Shielding Hood
The ViewSonic VA2723-2K-HD 27″ QHD 100Hz Monitor gives sharp, high-resolution visuals for work, games, and media. Its QHD display shows clear, detailed images for photos, videos, and documents. The 27-inch size offers wide viewing space for multitasking and productivity. Moreover, the ViewSonic VA2723-2K-HD 27″ QHD 100Hz Monitor features a smooth 100 Hz refresh rate. This makes motion look fluid and clean on screen. Scrolling, movies, and games feel smoother and more pleasant. This reduces blur during fast scenes. In addition, the monitor uses a bright and vibrant panel for strong color accuracy. Colors stay true from various viewing angles. This helps media, design work, and daily tasks look natural and appealing. It’s great for creators, students, and professionals. Furthermore, the ViewSonic VA2723-2K-HD 27″ QHD 100Hz Monitor includes eye-care technology for comfortable long use. It offers Flicker-Free display to reduce screen flicker. The blue light filter helps lower eye strain. This gives you safer viewing during work or study sessions. Also, the monitor supports HDMI and DisplayPort connections for easy setup. You can connect laptops, desktops, and consoles without hassle. The simple plug-and-play design means less time configuring. This suits home, office, and gaming setups. The design of the ViewSonic VA2723-2K-HD 27″ QHD 100Hz Monitor is modern and minimal. The slim frame fits well on desks of different sizes. The clean look blends into professional and home environments alike. The solid build gives you durable and long-lasting performance. Overall, the ViewSonic VA2723-2K-HD 27″ QHD 100Hz Monitor delivers a great balance of clarity, smoothness, and eye comfort. It boosts productivity, improves media quality, and supports long use. This monitor is ideal for anyone seeking quality and comfort in one screen. Specifications: Display : 27″ IPS Resolution : 2560×1440 Refresh Rate : 100Hz Response Time : 1ms
The Samsung Odyssey G3 24″ 180Hz Gaming Monitor delivers smooth gameplay with a high refresh rate. It ensures ultra-fast performance for competitive gaming. The 180Hz refresh rate reduces motion blur, making fast-paced action more fluid. Every frame appears crisp and clear, giving players an edge in fast-action games. With a 1ms response time, this gaming monitor eliminates lag and ghosting. It provides instant reactions, helping gamers stay ahead in intense battles. The quick response ensures accurate movements and smooth transitions between scenes. The Full HD 1920×1080 resolution offers sharp and detailed visuals. Every image appears clear, enhancing the gaming experience. The high contrast ratio improves depth and realism in darker scenes. Whether exploring dark landscapes or engaging in bright battlefields, the visuals remain immersive. The Samsung Odyssey G3 24″ 180Hz Gaming Monitor features AMD FreeSync Premium for tear-free gaming. It synchronizes the monitor’s refresh rate with the graphics card. This reduces screen tearing and stuttering, ensuring smooth gameplay. Even in demanding scenes, the visuals stay seamless. Designed with an ergonomic stand, this monitor offers height adjustment, tilt, and swivel options. Gamers can adjust the screen for maximum comfort during long gaming sessions. The slim bezel design creates a modern and immersive viewing experience. The monitor includes multiple connectivity options, including HDMI and DisplayPort. This ensures compatibility with gaming consoles, PCs, and other devices. The versatile connectivity makes it a great choice for any gaming setup. The Samsung Odyssey G3 24″ 180Hz Gaming Monitor is perfect for gamers seeking speed, clarity, and immersion. Its fast refresh rate, sharp visuals, and ergonomic design make it an excellent choice. Every game feels smoother, sharper, and more immersive. Specifications: Display : 24″ VA Resolution : FHD (1,920 x 1,080) Refresh Rate : 180Hz Response Rate : 1ms
WiWU Ora Laptop Sleeve Size: 14" and 16" Color: Black/Grey/Ivory Extra Storage Space - Two pockets in front, enough space to keep mouse, cable, cellphone, memory cards, external hard drive, pens, etc. Ultra-slim & Lightweight - Slim, portable, and lightweight to take alone, or slide into your briefcase, backpack, or any other bag, perfect for business, school, or travel. Shockproof - Multiple Layers Protection, polyester foam padding layer, and nylon fabric lining for bump and shock absorption, protect your computer from accidental scratches. Excellent Detail: Use an Exquisite zipper and reinforced stitching on all stress points, ensuring the bag does not fall apart when carrying heavy goods. The first verticle-designed laptop bag, you will feel the beauty of simple and good texture. WiWU Ora Laptop Sleeve Size: 14″ and 16″ Color: Black/Grey/Ivory Extra Storage Space – Two pockets in front, enough space to keep mouse, cable, cellphone, memory cards, external hard drive, pens, etc. Ultra-slim & Lightweight – Slim, portable, and lightweight to take alone, or slide into your briefcase, backpack, or any other bag, perfect for business, school, or travel. Shockproof – Multiple Layers Protection, polyester foam padding layer, and nylon fabric lining for bump and shock absorption, protect your computer from accidental scratches. Excellent Detail: Use an Exquisite zipper and reinforced stitching on all stress points, ensuring the bag does not fall apart when carrying heavy goods. The first verticle-designed laptop bag, you will feel the beauty of simple and good texture.
Searching for a portable monitor to enhance your remote work experience? Look no further than the ViewSonic TD1655. This compact and versatile display is designed to elevate your productivity wherever you go. Firstly, its slim and lightweight design makes it easy to carry, fitting seamlessly into your work or travel bag. Enjoy the convenience of a dual-screen setup, enhancing multitasking capabilities on the fly. The TD1655 boasts a full HD resolution, ensuring crisp and clear visuals for work or entertainment. Its 15.6-inch screen provides ample space without compromising on portability, perfect for presentations or extended work sessions. Connecting your devices is a breeze with the TD1655’s USB-C and HDMI ports. Effortlessly link it to your laptop, tablet, or smartphone, eliminating the need for complicated setups. Transition seamlessly between devices with ease. Adjustable viewing angles offer ergonomic comfort, reducing strain during prolonged use. Whether you’re working on a report or binge-watching your favorite shows, find the perfect angle for a comfortable and immersive experience. The ViewSonic TD1655 isn’t just a monitor; it’s a productivity companion. Its compatibility with various devices, sleek design, and user-friendly features make it an ideal choice for professionals on the move. In conclusion, the ViewSonic TD1655 Portable Monitor is a game-changer for remote work and entertainment. Experience the freedom of a flexible, high-quality display that adapts to your dynamic lifestyle. Upgrade your mobile office setup today! Specifications: Size : 16″ Touch Resolution : 60Hz full HD Ports : 2 USB-C
0G74G Laptop Battery Replacement for Dell Latitude 5300 2-in-1 5310 7300 7400 Series Notebook OG74G 02PFPW 2PFPW 3KF82 8JYHH 11.4V 42Wh 3-Cell About this item Specification: Battery type: Li-ion. Color: Black. Voltage: 11.4V. Capacity: 42Wh/3Cell. New from Manufacturer Replace Part Number: For MXV9V 0G74G 00G74G 2PFPW 3KF82 8JYHH Compatible Models: Replacement for Dell Latitude 5300 E5300 / 5300 2-in-1 / 5310 E5310 / 5310 2-in-1 / 7300 E7300 / 7400 E7400 Series (Important Note: NOT fit for latitude 7400 2-in-1 Series) Note: The Dell laptop models on this product page are compatible with 2 battery models: 0G74G (42Wh 3-Cell 11.4V) , MXV9V(60Wh 4-Cell 7.6V). Please open the back cover of your laptop to check the original battery size and capacity before placing an order. Make sure that the battery model you need is 0G74G (42Wh 3-Cell 11.4V). Note: If the new battery is not recognized during the initial installation, please reinstall and check if the interface is fully connected. Discharge the new battery to 10-20% (not 0%), then charge and cycle 3-4 times to wake up the new battery
Professional Lavalier Microphone Candc DC-C6 Candc DC-C6 Lavalier Microphone for Smartphones, DSLR, Camcorders, Audio recorders, PC etc. Clip microphone to help you get music or sound.One-directional microphone with anti-noise function. type jack can be connected to PC / laptop / wireless microphone transmitter with 3.5mm line-in / mic in. Built-in clip can be easily attached to collar, tie or other clothes-no installation required. Features: Type: microphone Cable length: about 116 cm Sensitivity: -46 ± 2db : one way Operating voltage: DC1.0V-10 VAcurrent consumption
Panel Size (inch) : 23.8 Aspect Ratio : 16:9 Display Viewing Area (H x V) : 527.04 x 296.46 mm Display Surface : Non-Glare Backlight Type : LED Panel Type : IPS Viewing Angle (CR≧10, H/V) : 178°/ 178° Pixel Pitch : 0.2745mm Resolution : 1920×1080 Color Space (sRGB) : 99% Brightness (Typ.) : 250cd/㎡ Contrast Ratio (Typ.) : 1000:1 ASUS Smart Contrast Ratio (ASCR) : 100000000:1 Display Colors : 16.7M Response Time : 5ms(GTG) Refresh Rate (Max) : 75Hz Flicker-free : Yes Video Feature Trace Free Technology : Yes SPLENDID Technology : Yes Color Temp. Selection : Yes(4 modes) GamePlus : Yes QuickFit : Yes HDCP : Yes VRR Technology : FreeSync™ Low Blue Light : Yes I/O Ports HDMI(v1.4) x 1 DVI x 1 VGA x 1 Signal Frequency Digital Signal Frequency : 24~84 KHz (H) / 48~75 Hz (V) Analog Signal Frequency : 24~84 KHz (H) / 48~60 Hz (V) Power Consumption Power Consumption : 13.2W Power Saving Mode : <0.5W Power Off Mode : <0.5W Voltage : 100-240V, 50/60Hz Mechanical Design Tilt : Yes (+23° ~ -5°) VESA Wall Mounting : 100x100mm Kensington Lock : Yes Dimensions (Esti.) Phys. Dimension with Stand (W x H x D) : 540.45 x 403.67 x 203.94 mm Phys. Dimension without Stand (W x H x D) : 540.45 x 324.67 x 44.4 mm Box Dimension (W x H x D) : 559 x 415 x 127 mm Weight (Esti.) Net Weight with Stand : 3.57 Kg Net Weight without Stand : 3.18 Kg Gross Weight : 5.50 Kg 3 Years Warranty manufacturer link
The Lenovo ThinkVision T24-4v 23.8″ FHD IPS Monitor 64B6MAT1EU is a professional-grade display designed for productivity, video conferencing, and office workflows. It delivers a Full HD resolution with an IPS panel for wide viewing angles and consistent image quality. Additionally, its ergonomic stand supports height, tilt, swivel, and pivot adjustments for comfortable long-term use. This monitor features a 1920 × 1080 resolution with a 23.8-inch screen size. Moreover, it supports up to 120Hz refresh rate and a fast response time for smooth visual performance in everyday tasks. It also provides 99% sRGB color coverage for accurate and consistent colors. The ThinkVision T24-4v includes a full connectivity set with HDMI 1.4, DisplayPort 1.2, VGA, and a USB hub. Therefore, it supports modern and legacy devices in office environments. It also integrates USB-C and USB-A ports for flexible peripheral connections depending on configuration. It is equipped with built-in conferencing features including an integrated webcam, microphone, and speakers in supported configurations. Additionally, it supports low blue light technology and TÜV-certified eye comfort features for reduced eye strain during long work sessions. The Lenovo ThinkVision T24-4v 23.8″ FHD IPS Monitor 64B6MAT1EU is designed for professional users who need reliability, ergonomic flexibility, and consistent visual performance in daily productivity environments. Specifications: 23.8-inch Full HD (1920 × 1080) IPS display Up to 120Hz refresh rate for smooth visuals 99% sRGB color gamut for accurate color reproduction HDMI, DisplayPort, VGA, and USB hub connectivity Fully ergonomic stand with height, tilt, swivel, and pivot adjustment
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
The MSI MAG 275CQF E18 is a 27-inch curved gaming monitor built for immersive and smooth gameplay with WQHD resolution (2560 × 1440). It delivers vibrant visuals and responsive performance for gamers seeking clarity and speed. Furthermore, its rapid panel enhances action scenes and detailed environments effectively. It features a 180 Hz refresh rate and a 0.5 ms (GtG) response time, which help reduce motion blur and improve tracking in fast‑paced games. In addition, Adaptive‑Sync support minimizes screen tearing for fluid gameplay. The Rapid VA panel produces rich colors and deep contrast. Moreover, HDR Ready technology enhances contrast and shadow detail for more realistic visuals. Anti‑Flicker and Less Blue Light technologies improve viewing comfort during long sessions. As a result, players stay focused and comfortable. The monitor also supports AI Vision, which boosts brightness and color saturation in darker scenes. In addition, HDMI™ CEC console mode improves compatibility with game consoles. Consequently, MAG 275CQF E18 provides enjoyable gaming whether on PC or console. This monitor combines high refresh performance, curved immersion, and advanced color features to enhance both competitive and casual gaming experiences. Specifications: 27-inch WQHD (2560 × 1440) curved Rapid VA panel 180 Hz refresh rate with 0.5 ms (GtG) response time Adaptive‑Sync support for smooth performance HDR Ready with Anti‑Flicker and Less Blue Light technologies AI Vision and HDMI™ CEC console mode compatibility
lenovo battery L14M3P24 11.1V 45Wh 4050mAh L14M3P24 Battery COMPATIBLE L14S3P24 L14M3P24 L16M3P24 LAPTOP BATTERY FOR LENOVO IDEAPAD XIAOXIN 700 R720 Y700-14ISK Y520-15IKB Y720-14ISK SERIES 4 Cell Laptop Battery About this item Condition: New Voltage: 11.1V Capacity: 45Wh/4050mAh Replace Part Number: L14M3P24 L14S3P24 Fit For: Lenovo Ideapad 700 Ideapad 700 Series The Package Includes 1X L14M3P24 battery. Before purchasing, please open the laptop’s back cover to confirm the battery model and capacity. Raise the battery life: 1:After receiving the battery, Please charge it fully, then 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
The MSI MAG 245F X24 is a 23.8-inch gaming monitor designed for fast and responsive gameplay. It features a Full HD Rapid IPS panel that delivers sharp visuals, accurate colors, and wide viewing angles. Therefore, it is a great choice for competitive gaming and everyday entertainment. The monitor supports a refresh rate of up to 240Hz and a response time as low as 0.5ms GtG. In addition, AMD FreeSync Premium helps reduce screen tearing and stuttering during fast-paced games. As a result, gameplay stays smooth and responsive. The Rapid IPS panel produces vibrant colors with support for 1.07 billion colors and HDR Ready technology. Moreover, the anti-glare screen helps reduce reflections while maintaining clear image quality in different lighting conditions. The monitor includes HDMI and DisplayPort inputs for gaming PCs and consoles. It also supports VESA mounting, allowing flexible installation on monitor arms or wall mounts. In addition, the tilt-adjustable stand helps users find a comfortable viewing angle. The MSI MAG 245F X24 combines a high refresh rate, fast response time, and reliable image quality in a compact 23.8-inch design. Therefore, it is well suited for esports players and anyone seeking a smooth gaming experience. Specifications: Display: 23.8-inch Rapid IPS, 1920 × 1080 (Full HD) Refresh Rate: Up to 240Hz Response Time: 0.5ms GtG (Minimum) Adaptive Sync: AMD FreeSync Premium with HDR Ready Connectivity: 2 × HDMI 2.0b, 1 × DisplayPort 1.2a, 1 × Headphone Out
Used OEM Original Apple Logic Board Working, 2019 Model 2.7Ghz I7 251gb 16gb (A1989) + Original Touch ID, Tested using latest industry hardware diagnostic software, Fresh pull from fully Working nearly new unit. SPECIFICATION:
Samsung 24″ Essential Monitor Aspect Ratio16:9 Brightness (Typical)250 Contrast Ratio Static1000:1(Typical) Resolution1,920 x 1,080 Response Time5 (GTG） Viewing Angle (H/V)178°/178° Specifications Detail Display Screen Size (Class)24 Flat / CurvedFlat Active Display Size (HxV) (mm)527.04 x 296.46 Aspect Ratio16:9 Panel TypeIPS Brightness (Typical)250 Brightness (Min)200 Contrast Ratio Static1000:1(Typical) Resolution1,920 x 1,080 Response Time5 (GTG） Viewing Angle (H/V)178°/178° Color SupportedMax 16.7M Color Gamut (NTSC 1976)72% (CIE 1931) Refresh RateMax 75Hz General Feature Eco Saving PlusYes Eye Saver ModeYes Flicker FreeYes Game ModeYes Image SizeYes Windows CertificationWindows 10 FreeSyncYes Interface D-Sub1 Display Port Out Version HDMI1 HDMI Version1.4 HDCP Version (HDMI)1.2 USB Hub VersionNo USB-C Charging PowerNo Operation Conditions Temperature10~40 ℃ Humidity10~80, Non-condensing Design Front ColorBLACK Rear ColorBLACK Stand ColorBlack Stand TypeSIMPLE Tilt-2.0°(-1.0°/+2.0°)~20.0°(±2.0°) Wall Mount (mm)100.0 x 100.0 Eco Energy Efficiency ClassB Recycled Plastic20.6 % Power Power SupplyAC 100~240V Power Consumption (Max)25W Power Consumption (Typ)20.0 W Power Consumption (DPMS, W)0.50 Power Consumption (Off Mode, W)0.30 Power Consumption (Yearly)29 kWh/year TypeExternal Adaptor Dimension Set Dimension with Stand (WxHxD, mm)539.5 x 422.8 x 217.4 Set Dimension without Stand (WxHxD, mm)539.5 x 322.8 x 41.2 Package Dimension (WxHxD, mm)607.0 x 147.0 x 380.0 Specifications: Specifications : Aspect Ratio16:9 Brightness (Typical)250 Contrast Ratio Static1000:1(Typical) Resolution1,920 x 1,080 3 Year Warranty
WiWU Pilot Backpack 15.6 inch Travelling Polyester Laptop Business School Travelling Backpack WiWU Pilot Backpack 15.6 inch Travelling Polyester Laptop Business School Travelling Backpack
HP Gk400F Mechanical USB Gaming Keyboard, Dust & Spill Resistant, RGB Backlit Keys, Metal Panel, Full-Sized Keyboard Design About this item [Quick. Comfy. Accurate] Comfortable and Durable full-sized keyboard designed. [Plug-in and type] Get to typing quicker with the USB plug-and-play setup that’ll have you connecting to your PC faster and easier than ever [Dust-proof & splash-proof] Mechanical metal panel, dust and spill. Resistant. [All-day comfort] This keyboard is designed for optimal comfort to fit your natural position, keeping your wrist feeling good all day. [Let there be LED] Lightsync RGB Backlit Keys and auto sleep mode support.Brilliant RGB Color Spectrum illumination.
The Cudy WR1200 AC1200 Router offers flexible networking with its 5-in-1 functionality and dual-band WiFi speeds up to 1200Mbps. Ideal for home and office use, it provides stable connectivity, wide coverage, and multiple operating modes to suit different network needs. AC1200 Dual Band WiFi – Combined speeds of up to 1200Mbps (300Mbps on 2.4GHz + 867Mbps on 5GHz) for smooth browsing, streaming, and gaming. 5-in-1 Multi-Mode Functionality – Works as Router, Access Point, Range Extender, WISP, and Client for maximum flexibility. Wide Coverage – High-gain antennas ensure strong and stable WiFi signal throughout your home or office. Fast Ethernet Ports – Reliable wired connections for computers, smart TVs, and other devices. Easy Setup & Management – Simple configuration through an intuitive web interface. Stable Multi-Device Performance – Designed to handle multiple connected devices efficiently. Secure Network – WPA/WPA2 encryption keeps your connection safe and private. 1 × WAN Port 4 × LAN Ports Dual Band WiFi (2.4GHz & 5GHz) Ethernet (RJ45) Wireless Security (WPA/WPA2)
Are you ready to take your gaming to the next level? Look no further than the Viewsonic VX2728J 27″ 180Hz gaming monitor. With its stunning display and lightning-fast refresh rate, you’ll enjoy an unparalleled gaming experience. Firstly, let’s talk about the impressive 27-inch screen size. Immerse yourself in the action with crisp, clear visuals that bring every game to life. Whether you’re exploring vast open worlds or engaging in intense multiplayer battles, every detail will be vivid and immersive. Moreover, the 180Hz refresh rate ensures silky-smooth gameplay with no motion blur or tearing. Say goodbye to choppy frame rates and hello to fluid, responsive gameplay. With this monitor, you’ll have the competitive edge you need to dominate the competition. In addition to its performance, the Viewsonic VX2728J boasts vibrant colors and deep contrasts. Experience games the way they were meant to be seen, with rich, true-to-life hues that make every scene pop. Whether you’re exploring lush environments or navigating dark corridors, you’ll see every detail with stunning clarity. Furthermore, this monitor is packed with features designed to enhance your gaming experience. From customizable settings to advanced connectivity options, you’ll have everything you need to optimize your setup for peak performance. Say goodbye to compromises and hello to gaming greatness. In conclusion, if you’re serious about gaming, the Viewsonic VX2728J 27″ 180Hz monitor is the perfect choice. With its stunning display, lightning-fast refresh rate, and advanced features, it’s the ultimate gaming companion. Upgrade your setup and elevate your gaming experience today! Specifications: Display : 27″ Fast IPS Resolution : 1920 x 1080 FHD Refresh Rate : 180Hz Response Rate : 0.5ms Adjustable Height : 0~130mm Pivot : 0° ~ 90° Swivel : -15° ~ 15° Tilt : -5° ~ 20°
