The Samsung 55″ QLED Q6F 4K Smart TV QA55Q6FAAUXTW delivers vibrant picture quality and smart entertainment features in a sleek and modern design. It uses advanced QLED technology to produce bright colors, sharp details, and impressive clarity, making movies, sports, and games more enjoyable on the 55-inch screen. QLED technology uses Quantum Dot enhancement to improve color accuracy and brightness. As a result, images appear vivid and lifelike across a wide variety of content. Dark scenes retain important details, while bright scenes remain balanced and clear. This creates a more consistent viewing experience in different lighting conditions. The 4K UHD resolution provides exceptional image detail and clarity. Therefore, content looks sharper and more refined than standard Full HD. In addition, Samsung image processing enhances lower-resolution content, helping it appear closer to native 4K quality. HDR support improves contrast and expands the visible color range. This allows brighter highlights and deeper shadows, creating more realistic images. Fast-moving scenes also appear smoother and clearer, making sports broadcasts and action-packed content more enjoyable. The Smart TV platform provides access to popular streaming services, apps, and connected home features. It offers a responsive interface that makes navigation simple and convenient. In addition, the slim design and narrow bezels give the Samsung QLED 55 Q6F 4K Smart TV QA55Q6FAAUXTW a modern appearance that fits well in bedrooms, living rooms, and entertainment areas. Overall, this Samsung QLED TV combines vivid colors, sharp 4K resolution, and smart functionality for a complete home entertainment experience. Specifications: QLED technology delivers vibrant colors and enhanced brightness 55-inch 4K UHD display provides immersive viewing HDR improves contrast and image realism Smart TV platform supports streaming apps and connected features Slim design complements modern living spaces
• Desk Stand LED / LCD / Plasma fits most 17″ to 30″ displays • Articulating stand with Rotation 360°, Swivel ±90° and Tilt angle +85° to 30° • Upright lift distance 10 ” (260mm) • Maximum extension 21 ” (535mm) • Supports load from 2 to 9 kg • Mounting VESA compliance 75×75, 100×100 mm 1 Year Warranty manufacturer link
The MSI Modern MD272UPHG 27″ 4K Monitor offers sharp visuals and modern design for work and entertainment. It delivers Ultra HD 4K resolution for detailed images and text. This makes it ideal for productivity, creativity, and media use. The 27-inch screen size provides enough space for multitasking. It allows users to work on multiple windows with ease. The slim bezels add to a modern and clean look. The MSI Modern MD272UPHG 27″ 4K Monitor features IPS technology. This ensures wide viewing angles and consistent colors. It is perfect for sharing content or collaborative tasks. With HDR support, colors look more vivid and natural. Contrast is improved for lifelike images and realistic visuals. This enhances both work presentations and entertainment experiences. The monitor includes Eye Care technology for comfort. Blue light reduction and anti-flicker features reduce eye strain. This makes it suitable for long working hours. It also provides ergonomic adjustments for better posture. You can tilt, swivel, pivot, or adjust the height. This helps create a comfortable setup for any workspace. Connectivity options are versatile and convenient. The monitor supports HDMI, DisplayPort, and USB-C connections. It is easy to connect laptops, desktops, or external devices. The design is sleek, modern, and professional. It blends well with both home and office setups. Its sturdy build ensures reliability for everyday use. In short, the MSI Modern MD272UPHG 27″ 4K Monitor delivers sharp resolution, eye comfort, and flexible adjustments. It is a great choice for professionals and everyday users. Specifications: Display : 27″ IPS Screen : 3840 x 2160 (UHD) Refresh Rate : 60Hz Response Rate : 4ms
The AOC Q27G11SE is a 27-inch 2K gaming monitor designed for ultra-smooth and responsive gameplay. First, its 2560 × 1440 resolution delivers sharp visuals and detailed images. The 320Hz refresh rate ensures extremely fluid motion during competitive gaming. In addition, the 0.3ms response time reduces motion blur and ghosting. Moreover, adaptive sync technology enhances smooth performance without screen tearing. The high refresh panel improves reaction speed in fast-paced games. Furthermore, the modern slim design fits perfectly into gaming setups and desks. Finally, the AOC Q27G11SE combines 2K clarity, 320Hz performance, and ultra-fast response in one competitive display. Overall, it is ideal for esports players and serious gamers. Specifications: 27-inch 2560 × 1440 2K resolution 320Hz ultra-fast refresh rate 0.3ms rapid response time Adaptive sync for tear-free gaming Slim modern gaming design
Are you ready to take your gaming to the next level? Look no further than the Samsung Odyssey G5 27″ Curved Gaming Monitor. This cutting-edge monitor is designed to deliver an immersive gaming experience like no other. Featuring a stunning 27-inch curved display, the Samsung Odyssey G5 brings your games to life with vibrant colors and crystal-clear visuals. Whether you’re exploring virtual worlds or engaging in epic battles, every detail will be rendered with precision and clarity. With a lightning-fast 165Hz refresh rate, this monitor ensures buttery-smooth gameplay with no lag or stuttering. Say goodbye to screen tearing and motion blur, and hello to an ultra-responsive gaming experience. Equipped with AMD FreeSync technology, the Samsung Odyssey G5 syncs the monitor’s refresh rate with your graphics card, eliminating screen tearing and providing silky-smooth gameplay. Transitioning to its design, the Odyssey G5 features a sleek and stylish aesthetic that will complement any gaming setup. Its slim bezels and curved screen create an immersive viewing experience that pulls you into the action. Connectivity is key for gamers, and the Samsung Odyssey G5 doesn’t disappoint. With HDMI and DisplayPort inputs, you can easily connect your gaming PC, console, or other devices for maximum versatility. Furthermore, the Odyssey G5 comes with a range of gaming-centric features, including customizable gaming modes, black equalizer technology, and low input lag. Whether you’re playing fast-paced shooters or strategy games, you can tailor your gaming experience to suit your preferences. In summary, the Samsung Odyssey G5 27″ Curved Gaming Monitor is the ultimate choice for gamers who demand performance, immersion, and style. Upgrade your gaming setup today and experience gaming like never before. Specifications: Display : 27″ VA Curvature : 1000R Resolution : 2,560 x 1,440 Refresh Rate : 165Hz Response Rate : 1ms
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)
BenQ ZOWIE XL2566X+ 24.1” Fast TN 400Hz DyAc 2 Gaming Monitor is a competitive esports display designed for FPS players who need maximum motion clarity, fast response, and stable performance in high-FPS games. It uses a 24.1-inch Full HD (1920 × 1080) Fast TN panel. Therefore, it delivers very low motion blur and fast pixel response, which helps track fast-moving targets more clearly in games like CS2 and Valorant. Moreover, it supports a 400Hz refresh rate. As a result, it provides extremely smooth motion when the system can deliver very high frame rates. In addition, DyAc 2 technology reduces motion blur during fast camera movement and recoil control, improving visual clarity in FPS gameplay. The monitor includes esports-focused tools such as Black eQualizer and Color Vibrance. Therefore, it improves visibility in dark scenes and helps highlight enemies more clearly. In addition, the XL Setting to Share feature allows quick preset switching for different games. Furthermore, it includes an ergonomic stand with height, tilt, and swivel adjustment. As a result, players can fine-tune positioning for long competitive sessions. In addition, it supports HDMI 2.0 and DisplayPort 1.4 for full performance compatibility. Finally, the BenQ ZOWIE XL2566X+ focuses on competitive precision, ultra-high refresh rate performance, and motion clarity for serious esports players. Specifications: Display: 24.1-inch Full HD (1920 × 1080) Fast TN panel Refresh Rate: 400Hz for ultra-smooth motion Motion Tech: DyAc 2 for reduced blur in fast FPS gameplay Esports Tools: Black eQualizer and Color Vibrance for better visibility Design: Ergonomic stand with height, tilt, and swivel adjustment
The ViewSonic VX2779A-HD-PRO 27″ FHD 240Hz Gaming Monitor delivers ultra-smooth visuals for fast games. It features a 27-inch IPS panel that offers wide viewing angles and rich color. Moreover, the high 240 Hz refresh rate helps motion look fluid and responsive in action titles. This gaming monitor supports Full HD 1920×1080 resolution for crisp images and clear details. Additionally, the 1 ms response time (MPRT) reduces blur and ghosting in fast scenes. Adaptive sync tech like AMD FreeSync and NVIDIA G-SYNC compatibility helps cut screen tearing and stutter. The ViewSonic VX2779A-HD-PRO also includes HDR10 support to boost contrast and color depth for games and videos. Furthermore, anti-glare coating and low blue light help reduce eye strain during long play sessions. Multiple ports make setup easy with two HDMI and one DisplayPort connection. This monitor works well for competitive gaming, esports, and general entertainment. Therefore, it suits both PC gamers and console players. Finally, it combines speed, quality visuals, and versatile connectivity for everyday gaming use. Specifications: 27″ IPS panel with 1920×1080 Full HD resolution 240 Hz refresh rate and 1 ms (MPRT) response time HDR10 support and wide 178° viewing angles Connectivity: 2× HDMI 1.4 + 1× DisplayPort 1.4 Eye-care features: anti-glare, low blue light, and flicker-free
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)
LG 49WL95C-WE UltraWide Dual QHD IPS Monitor is a 49-inch super ultrawide display designed for heavy multitasking and professional workflows. It features a 32:9 aspect ratio with Dual QHD resolution for a wide workspace. Additionally, it supports USB-C connectivity and HDR10. Therefore, it replaces a dual-monitor setup with a single continuous screen. The LG 49WL95C-WE UltraWide Dual QHD IPS Monitor delivers 5120 × 1440 resolution with IPS panel technology for wide viewing angles. Moreover, it includes 99% sRGB color coverage and HDR10 support for accurate visuals. It also provides USB-C with up to 85W power delivery, HDMI, and DisplayPort inputs. In addition, it features built-in 10W stereo speakers and an integrated USB hub for cleaner setups. Furthermore, the monitor supports Picture-by-Picture and Dual Controller functions for multi-device use. As a result, users can manage two systems on one screen efficiently. It also includes height, tilt, and swivel adjustment for ergonomic comfort. Specifications: 49-inch 32:9 UltraWide Dual QHD (5120 × 1440) IPS display USB Type-C with up to 85W power delivery HDR10 with 99% sRGB color coverage Built-in 10W stereo speakers and USB hub Picture-by-Picture and Dual Controller multitasking support
Experience gaming and entertainment like never before with the ViewSonic 32” 75Hz 2K QHD Monitor. Boasting a spacious screen and crisp resolution, it delivers stunning visuals that immerse you in every detail. Transitioning smoothly between tasks is effortless with this monitor’s 75Hz refresh rate, ensuring fluid motion and responsiveness. Whether you’re gaming, watching videos, or browsing the web, enjoy a seamless experience without lag or stuttering. Additionally, the built-in speakers provide clear and immersive audio to complement the vibrant visuals. Say goodbye to cluttered desk space and external speakers – this monitor offers a streamlined solution for both audio and visual needs. Furthermore, its sleek and modern design adds a touch of elegance to any workspace or gaming setup. With slim bezels and a minimalist aesthetic, the VA3209-2K seamlessly blends into your environment, enhancing the overall look and feel of your space. Moreover, the monitor’s QHD resolution delivers sharp and detailed images, making every scene come to life with clarity and precision. Whether you’re editing photos, watching movies, or gaming, enjoy an immersive viewing experience like never before. In conclusion, the ViewSonic 32” 75Hz 2K QHD Monitor VA3209-2K is a versatile display solution that combines stunning visuals, smooth performance, and immersive audio. Upgrade your viewing experience today and immerse yourself in a world of vibrant colors and crisp details. Specifications: Display : 32″ IPS Resolution : QHD(2560 x 1440) Refresh Rate : 75Hz Response Rate : 4ms
BATTERY DELL J60J5 7.6V 55Wh Battery Compatible with Dell Latitude E7470 E7270 7470 7270 451-BBSY 451-BBSX 451-BBSU WYWJ2 R1V85 MC34Y 242WD PDNM2 1W2Y2 GG4FM F1KTM NJJ2H 5F08V P61G001 P26S001 J6OJ5 Laptop Battery About this item SPECIFICATION : Model Name: Standard Rechargeable Li-ion battery Type J60J5 ; Device Type: Notebook battery; Battery Type: Lithium ion; Voltage : 7.6V; Capacity : 55Wh; Cells: 4-cell; Dimensions about 9.37×4.17×0.24in; Weight: About 11OZ / 0.69lb; Condition : 100 % New; Packages includes: 1PC J6OJ5 laptop battery(with free screwdrivers for easy installation) COMPATIBILITY : 7.6V 55 WHr 4-Cell Lithium-Ion battery replace manufacturer part J60J5 J6OJ5 451-BBSX 451-BBSY 451-BBSU R1V85 WYWJ2 MC34Y 0MC34Y 242WD PDNM2 1W2Y2 0F1KTM F1KTM NJJ2H GG4FM 5F08V P61G P61G001 P26S P26S001 battery designed for Dell Latitude E7270 Latitude E7470 7270 7470 Series laptop. SECURITY: ECHEER 55Wh 4-cell J60J5 batteries have passed strict intelligent detection, such as short circuit protection, over-voltage protection, discharge protection, and over-current protection, which is very important for the battery’s use cycle and safety. Also, CE, FCC, and RoHS are certificated. Every one of our replacement notebook batteries is tested to meet OEM specifications.
WiWU WI‑C052 Converter – Compact aluminum adapter enables OTG and fast PD-style charging (≈27 W) with USB‑C/Lightning on USB‑A ports.Supports high-speed 10 Gbps data transfer, is plug‑and‑play, and works across phones, tablets, and laptops. Functionality: OTG-capable USB-A to USB-C (A→C) Data Transfer: Supports USB 3.2 (up to 10 Gbps) and backward compatible with USB 3.0/2.0 Fast Charging: Supports PD profile fast charging (up to ~27W Apple PD equivalent) without triggering charge pop-ups Build: Durable aluminum-alloy shell with silicone lanyard design for portability and heat dissipation Compatibility: Works with smartphones, tablets, laptops—enabling USB-A peripherals, USB-C or Lightning cables Plug & Play: No drivers required; reversible connector design Portability: Lightweight, compact—easy to carry
Mouschi Field Computer Mouse Pad, Non-Slip Rubber Base and Textured Stitched Edge Mousepads, Mouse Pad Pack for Office and Home Mouschi Field Computer Mouse Pad, Non-Slip Rubber Base and Textured Stitched Edge Mousepads, Mouse Pad Pack for Office and Home Brand: Mouschi Size: Small – 290 X 240 X 3mm Medium – 360 X 300 X 3mm Large – 450 X 400 X 4 mm X-Large – 900 X 420 X 4 mm Color: Black Recommended uses for product: Gaming Material: fabric Mouschi Field Mouse Pad Micro-Weave Fabric: Creates a dense surface for a faster and smoother glide for your mouse. Durable Stitched Anti-Fray Edges: 360° of stitching guards against surface peeling. Staying Power: An anti-skid textured rubber base keeps the mouse pad securely in place even during the most intense gaming sessions. Brand: Mouschi Size: Small – 290 X 240 X 3mm Medium – 360 X 300 X 3mm Large – 450 X 400 X 4 mm X-Large – 900 X 420 X 4 mm Color: Black Recommended uses for product: Gaming Material: fabric
The Samsung 75″ Crystal UHD U8000F 4K Smart TV UA75U8000FUXTW uses a 75-inch LCD panel with 3840 × 2160 resolution. It is a basic 4K TV focused on screen size, standard image processing, and everyday smart features. It uses the Crystal Processor 4K for image processing and upscaling. This system converts lower-resolution content into closer-to-4K output. It also supports HDR10 and HDR10+, which adjust contrast between bright and dark areas for compatible content. The panel runs at a native 60 Hz refresh rate. Motion Xcelerator is included to reduce blur during fast scenes such as sports and gaming. Samsung Tizen OS powers the smart platform. It provides access to streaming apps, web browsing, and SmartThings connectivity. It also supports voice control depending on region and setup. Connectivity includes HDMI ports, USB ports, Wi-Fi, Bluetooth, Ethernet LAN, and optical audio output. It supports Auto Low Latency Mode (ALLM) for basic console gaming. This model does not include local dimming or advanced display systems. It focuses on standard 4K performance and basic smart TV functionality for general use. Specifications: 75-inch LCD panel with 3840 × 2160 (4K UHD) resolution Crystal Processor 4K with 4K upscaling support HDR10 and HDR10+ compatibility 60 Hz native refresh rate with Motion Xcelerator Tizen OS with HDMI, USB, Wi-Fi, Bluetooth, Ethernet connectivity
Battery Model: A1582 A1502 Replacement Laptop Battery for MacBook Pro Retina 13 Inch Late 2013 Mid 2014 ; MacBook Pro A1493 A1582 Battery EMC 2678 2875 2835 ME864 ME865 Battery Model: A1582 A1502 Replacement Laptop Battery for MacBook Pro Retina 13 Inch Late 2013 Mid 2014 ; MacBook Pro A1493 A1582 Battery EMC 2678 2875 2835 ME864 ME865 100% Brand New, Battery Type: Li-Polymer; Capacity: 71.8Wh; Voltage:11.34V; Package include two free screwdriver Compatible:A1502 A1493 (Only for Late 2013, Mid 2014 Version) Apple MacBook Pro 13″ Retina ME864LL/A ME866LL/A ,MacBook Pro “Core i5″ 2.4/2.5 13” Late 2013 Retina Overcharger and Discharger Circuit Protection, CE-/FCC-/RoHS-Certified for safety.
WiWU Infinite USB‑C to HDMI Adapter (HB004) – Sleek aluminum dongle offering 4K@60Hz output over USB‑C (DP Alt‑Mode), plug-and-play with no drivers needed.Compact, portable, and reliable—a must-have for mobile productivity, gaming, and media streaming. Model: WiWU Infinite USB‑C to HDMI Adapter (HB004) Video Output: HDMI 2.0, supports up to 4K @ 60 Hz resolution Material & Weight: Robust aluminum alloy body, compact, weighs ~69 g Compatibility: Plug-and-play connector works with USB‑C devices supporting DP Alt‑Mode—compatible with laptops, smartphones, tablets, consoles Design & Build: Slim, portable, durable—no driver/software required Use Cases: Ideal for mirroring/extending screens for presentations, streaming, gaming
The Lenovo Legion R25f-30 is a 24.5-inch FHD gaming monitor designed for competitive gameplay and fast response performance. It uses a VA panel with high refresh rate support and sharp Full HD resolution. Additionally, it targets gamers who need smooth motion clarity and low input delay. This monitor delivers a 1920 × 1080 resolution with a 240Hz refresh rate, which can be overclocked up to 280Hz in supported setups. Moreover, it features a 0.5ms MPRT response time for reduced motion blur during fast-paced gaming. The Lenovo Legion R25f-30 supports AMD FreeSync Premium to reduce screen tearing and stuttering. Additionally, it includes HDMI 2.1 and DisplayPort 1.4 for high refresh rate connectivity across PCs and consoles. It also provides 99% sRGB color coverage and 3000:1 contrast ratio for richer image depth. Therefore, it balances gaming performance with decent color accuracy for everyday use. The Lenovo Legion R25f-30 is built for esports-focused users who prioritize speed, responsiveness, and smooth visuals in competitive games. Specifications: 24.5-inch Full HD (1920 × 1080) VA gaming display 240Hz refresh rate with up to 280Hz overclock support 0.5ms MPRT response time for fast motion clarity AMD FreeSync Premium for tear-free gaming performance HDMI 2.1 and DisplayPort 1.4 connectivity support
The Asus TUF VG249Q1R 24″ 144Hz Gaming Monitor delivers smooth and immersive gameplay. With a 144Hz refresh rate and 1ms response time, it ensures ultra-fast performance for competitive gaming. This 24-inch Full HD display offers crisp and vibrant visuals. The IPS panel provides wide viewing angles and accurate colors, making every detail stand out. Whether you’re gaming or watching movies, the experience is stunning. With Extreme Low Motion Blur (ELMB) technology, motion blur is reduced for sharper images. This keeps fast-moving scenes clear and prevents ghosting. Your gameplay stays smooth and responsive. The Asus TUF VG249Q1R also features Adaptive-Sync and FreeSync technology. These prevent screen tearing and stuttering, ensuring fluid visuals. Even in intense action, your gameplay remains lag-free. Designed for comfort, this gaming monitor has flicker-free technology and a low blue light mode. These features reduce eye strain, making long gaming sessions more comfortable. The monitor has multiple connectivity options, including HDMI and DisplayPort. It’s compatible with PCs, gaming consoles, and other devices, making it a versatile choice. With a sleek, TUF Gaming-inspired design, the monitor looks as good as it performs. The slim bezels provide a modern look, perfect for multi-monitor setups. Upgrade your gaming setup with the Asus TUF VG249Q1R 24″ 144Hz Gaming Monitor for smooth, immersive, and tear-free gaming. Specifications: Display : 24″ IPS Resolution : 1920×1080 FHD Refresh Rate : 144Hz Response Rate : 1ms
The LG UltraFine 27″ 4K UHD IPS LED Monitor offers stunning picture quality with vibrant colors and sharp details. It is perfect for professionals and creatives who need accurate visuals. With 4K UHD resolution (3840 x 2160), this monitor delivers four times the detail of Full HD screens. The IPS technology ensures wide viewing angles, making images look great from any position. This LG UltraFine 27-inch monitor supports 99% of the sRGB color gamut, providing true-to-life colors. It is ideal for photo editing, video production, and graphic design. The USB-C and DisplayPort connectivity make it easy to connect to laptops, desktops, and other devices. With USB-C charging, you can power your laptop while using the monitor, reducing cable clutter. The LG UltraFine 27″ 4K UHD IPS LED Monitor features a sleek, modern design that fits any workspace. Its adjustable stand allows you to tilt and change the height for comfortable viewing. The anti-glare screen reduces reflections, making it easier to work in bright environments. The 5ms response time ensures smooth visuals, perfect for fast-moving content. This 4K UHD monitor is also great for entertainment. Enjoy watching movies, streaming videos, or playing games with crystal-clear detail. The HDR10 support enhances brightness and contrast for a more immersive experience. The built-in speakers provide decent audio, so you don’t always need external speakers. With Flicker-Free technology and a Blue Light filter, this LG UltraFine monitor reduces eye strain, making it ideal for long work sessions. The VESA compatibility allows for easy wall mounting or monitor arm installation. Whether you are a creative professional or a multitasker, this monitor boosts productivity and enhances visual experience. Specifications: Display : 27″ IPS Resolution : 3840 x 2160 Refresh Rate : 60Hz Response Rate : 5ms
