AOC 24G4E 24-inch 180Hz gaming monitor delivers fast and responsive performance for competitive gaming. It focuses on smooth motion, low latency, and clear visual quality for everyday gameplay. Additionally, it features a 23.8-inch Fast IPS panel with Full HD resolution (1920 × 1080). This panel provides sharp detail and wide viewing angles, so it ensures consistent image quality in games and general use. Moreover, it supports a 180Hz refresh rate with 1ms GtG and 0.5ms MPRT response time. As a result, it delivers smooth motion and reduces blur during fast-paced action. The monitor includes Adaptive Sync and G-SYNC compatibility. Therefore, it reduces screen tearing and stuttering for stable gameplay performance. In addition, it supports HDR10 and low input lag mode. These features improve contrast and responsiveness during gaming sessions. Furthermore, it offers a three-sided frameless design with HDMI 2.0 and DisplayPort 1.4 connectivity. This makes it suitable for modern gaming setups and multi-monitor use. AOC 24G4E 24-inch 180Hz gaming monitor provides smooth performance, fast response, and essential competitive gaming features. Check out other option here! Specifications: 23.8-inch Fast IPS panel with Full HD 1920 × 1080 resolution 180Hz refresh rate for ultra-smooth gameplay 1ms GtG and 0.5ms MPRT response time Adaptive Sync and G-SYNC compatible support HDR10 with low input lag mode for better responsiveness
• 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
A dependable pre-owned Dell Latitude 5470 with 14" display, 6th Gen Core i5, 8GB RAM, and 256GB SSD—offering solid business performance, security, and durability at an affordable price.
Kingston NV3 1TB NVMe SSD — ultra-fast PCIe 4.0 storage in a compact M.2 form.• Read up to 6,000 MB/s • Write up to 4,000 MB/s • 320 TBW enduranceForm Factor: M.2 2280 | Interface: PCIe 4.0 x4 | Warranty: 5-year limitedSKU: SNV3S/1000G Full Details: The Kingston NV3 PCIe 4.0 NVMe M.2 1TB SSD gives you ultra-fast performance and reliable storage for laptops and desktops. Built with PCIe 4.0 technology, it delivers read speeds up to 6,000 MB/s and write speeds up to 4,000 MB/s, making it perfect for gaming, content creation, or simply speeding up your system. PCIe 4.0 × 4 NVMe interface for lightning-fast speed Compact M.2 2280 design for easy installation Up to 6,000 MB/s read and 4,000 MB/s write speeds 1TB capacity for games, media, and apps Low power use and heat for better efficiency Works with most modern desktops and laptops that support M.2 NVMe (PCIe) drives. Backward compatible with PCIe 3.0 systems (at lower speeds). Kingston NV3 1TB M.2 NVMe SSD Quick start/warranty guide
The Samsung S3 S30GD 22″ 100Hz Monitor offers clear Full HD visuals on a compact 22-inch IPS display. Additionally, the panel delivers consistent colors and wide viewing angles, which makes it suitable for both work and entertainment. The 100Hz refresh rate also ensures smoother motion compared to standard displays. Moreover, Game Mode enhances contrast and visibility during videos and casual gaming. Therefore, scenes appear clearer and more detailed in darker areas. The monitor also includes Eye Saver Mode and flicker free technology, which help reduce eye strain during long sessions. Furthermore, the design is simple and practical for everyday setups. In addition, connectivity includes HDMI and VGA ports for easy connection to different devices. Overall, the Samsung S3 S30GD 22″ 100Hz Monitor is a reliable choice for daily use. Specifications: 22‑inch Full HD (1920 x 1080) IPS panel displays vivid colors and wide viewing angles. Smooth motion with up to 100Hz refresh rate for better video and game performance. Game Mode optimizes contrast and image settings for interactive content. Eye Saver Mode and flicker‑free technology help reduce eye strain during long sessions. Simple connectivity with one HDMI port and one D‑Sub (VGA) port.
Are you in search of a reliable monitor that combines functionality and style? Look no further than the LG DualUp 28″ Monitor. This comprehensive review will delve into its features, highlighting why it’s an excellent choice for both work and play. Firstly, the dual-screen capabilities of the LG 28″ Monitor provide a seamless multitasking experience. Boost your productivity by effortlessly managing multiple applications side by side, streamlining your workflow. The sleek design of this monitor not only adds a touch of sophistication to your workspace but also ensures practicality. Its slim bezels and adjustable stand contribute to a clutter-free and ergonomic setup, promoting comfort during extended use. With a crisp 4K UHD resolution, this monitor delivers stunning visuals, making it ideal for both work and entertainment. Enjoy sharp images and vibrant colors for a truly immersive experience, whether you’re editing documents or watching your favorite movies. Connectivity is a breeze with the LG 28″ Monitor. Multiple ports, including HDMI and USB-C, offer versatile options for connecting various devices. Say goodbye to cable clutter and hello to a streamlined and organized workspace. The inclusion of reader mode and flicker-safe technology prioritizes your eye health during prolonged use. Reduce eye strain and fatigue, ensuring a comfortable viewing experience for extended periods. In conclusion, the LG DualUp 28″ Monitor is a versatile and stylish addition to any workspace. Its dual-screen capabilities, sleek design, and advanced features make it a top choice for those seeking an enhanced computing experience. Upgrade your setup with the LG DualUp 28″ Monitor today! Specifications: Display : 28″ Nano IPS Resolution : SDQHD (2560 x 2880) Refresh Rate : 60hz Response Time : 5ms GTG
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
MSI MAG 272UP QD-OLED X24 is a premium 27-inch gaming monitor designed for competitive gaming, content creation, and immersive entertainment. It features a 4th-generation QD-OLED panel with 4K UHD resolution (3840 × 2160), delivering exceptional image quality, deep blacks, and vibrant colors. The monitor offers an ultra-fast 240Hz refresh rate and a 0.03ms GtG response time for incredibly smooth gameplay and minimal motion blur. Therefore, it is ideal for fast-paced esports titles and AAA gaming experiences. It supports both NVIDIA G-SYNC Compatible and AMD FreeSync Premium Pro technologies to reduce screen tearing and stuttering. In addition, VESA DisplayHDR True Black 400 certification enhances contrast and HDR performance for more realistic visuals. The monitor delivers outstanding color accuracy with 99% DCI-P3 coverage, 98% Adobe RGB coverage, and Delta E ≤ 2 calibration. Moreover, MSI OLED Care 2.0 technology helps reduce the risk of image retention and burn-in. Connectivity includes HDMI 2.1, DisplayPort 1.4a, and USB Type-C with DisplayPort Alt Mode and 15W Power Delivery. As a result, it provides excellent compatibility with gaming PCs, laptops, PlayStation 5, and Xbox Series X consoles. Specifications: 27-inch 4K UHD QD-OLED display 240Hz refresh rate for ultra-smooth gaming 0.03ms GtG response time G-SYNC Compatible and FreeSync Premium Pro DisplayHDR True Black 400 with OLED Care 2.0
The MSI MAG 275QF X24 27″ 240Hz 2K Gaming Monitor offers fast refresh and crisp visuals. Firstly, it features a 27‑inch display with sharp 2560×1440 resolution. Also, the 240 Hz refresh rate guarantees smooth motion in fast games. Moreover, a 1 ms GtG response time delivers quick reaction during intense battles. In addition, it uses an IPS panel for vibrant colors and wide viewing angles. Furthermore, Adaptive‑Sync helps reduce screen tearing and visual stutter. Thus, you get clean and smooth gameplay at all times. Another highlight is the sturdy stand with tilt, height, and swivel adjustments. So, you can find your ideal ergonomic viewing position easily. Also, the monitor includes low‑blue‑light and anti‑flicker tech to protect your eyes. Therefore, long gaming sessions become less tiring and more comfortable. Plus, it offers DisplayPort and HDMI ports for easy multi‑device support. This lets you connect both gaming PC and console without hassle. The MSI MAG 275QF X24 features RGB ambient backlighting to enhance your setup. Hence, it creates an immersive lighting environment behind the screen. Also, the monitor’s slim bezels provide a sleek, modern look. Additionally, its on‑screen display is intuitive and easy to use. Moreover, MSI’s GameSense overlays show real‑time game info like FPS or timers. In short, these features give you an edge in competitive play. Furthermore, Night Vision mode brightens dark in‑game scenes without overexposure. Thus, you can spot enemies clearly even in shadowy maps. Also, the matte screen finish helps cut down glare from room lighting. As a result, you stay focused without distraction. The MSI MAG 275QF X24 delivers top performance at a 240 Hz refresh. To conclude, it is a smart choice for serious gamers seeking speed and quality. Finally, it balances fast gameplay, sharp visuals, and user comfort perfectly. Specifications: Display : 27″ Rapid IPS Resolution : 2560 x 1440 (WQHD) Refresh Rate : 240Hz Response Rate : 0.5ms (GTG)
The AOC Q27G3Z is a high-end 27″ gaming monitor with a QHD resolution of 2560×1440. It uses a Fast IPS panel that delivers excellent color and speed. In addition, it supports a refresh rate of 240 Hz and a response time of 0.5 ms (MPRT) for ultra-smooth gameplay. Its adaptive sync support ensures tear-free visuals during fast action. The AOC Q27G3Z covers wide color gamuts: NTSC 110 %, sRGB 123 %, and DCI-P3 101 %. This makes it ideal not only for gaming but also for content creation. Moreover, it is VESA DisplayHDR 400 certified, so highlights pop and blacks look deeper. The brightness reaches around 400 cd/m², making it suitable in well-lit rooms. Connectivity includes two HDMI 2.0 ports and two DisplayPort 1.4 inputs for flexibility across consoles and PCs. Additionally, the ergonomic stand allows height adjustment, tilt, swivel, and pivot for comfortable viewing in any setup. Its sleek black & red design blends into gaming rigs easily. In short, the AOC Q27G3Z combines speed, clarity and color accuracy in one package. It is a great choice for competitive gamers and creators who want a balanced monitor that handles both performance and visuals well. Check out other option here! Specifications: Display : 27″ Fast IPS Resolution : 2560 x 1440 (QHD) Refresh Rate : 240Hz Response Rate : 0.5ms
Haixun F20 Barcode Reader – USB 2D handheld scanner supports QR, PDF417, and 1D barcodes.Fast and reliable for retail, inventory, and logistics with plug-and-play setup. Model: Haixun F20 Type: 2D Handheld Barcode Scanner Supported Codes: 1D: EAN-13, UPC-A, Code 39, Code 128, Codabar, etc. 2D: QR Code, PDF417, DataMatrix, etc. Supported Codes: 1D: EAN-13, UPC-A, Code 39, Code 128, Codabar, etc. 2D: QR Code, PDF417, DataMatrix, etc. Sensor Type: CMOS imaging sensor Interface: USB (Plug and Play, no driver needed) Scan Mode: Manual trigger / Continuous / Auto-sensing Scan Speed: Up to 300 scans/sec Resolution: ≥ 4mil (0.1mm) Light Source: Red LED + White fill light Compatibility: Windows, Android, macOS, Linux Design: Ergonomic grip for long use Durable ABS plastic body Design: Ergonomic grip for long use Durable ABS plastic body Cable Length: Approx. 1.5 – 2 meters Power Supply: 5V (via USB) Applications: Retail, Warehouse, POS, Inventory, Logistics
The Asus VA279HG22 27″ 120Hz Eye Care Gaming Monitor offers smooth visuals and great comfort for your eyes. Its 27-inch Full HD IPS screen displays rich colors and wide viewing angles for any setup. A 120Hz refresh rate delivers fluid motion, perfect for gaming or watching fast-paced videos. The 1ms MPRT response time reduces blur for clearer, sharper images. Adaptive-Sync technology helps remove screen tearing for a seamless gaming experience. You’ll enjoy smoother gameplay with less stuttering or lag. The monitor includes Flicker-Free and Low Blue Light features to reduce eye strain. Even after hours of use, your eyes stay more comfortable. An anti-glare screen improves visibility in bright or sunny environments. It’s ideal for work or play in any room. HDMI and VGA ports offer easy connection to your devices. You also get a headphone jack for private listening. The monitor has a slim, modern, and frameless design for a clean look. It fits into any gaming, work, or study space easily. Tilt adjustment allows you to set the perfect viewing angle. It’s also VESA mount compatible for flexible installation. You can customize settings using ASUS DisplayWidget Center software. Adjust brightness, color, and more with just a few clicks. GamePlus features like crosshair overlays and timers give an edge in competitive gaming. These tools help improve focus and reaction time. The Asus VA279HG22 27″ 120Hz Eye Care Gaming Monitor combines performance and comfort in one stylish display. It’s a great choice for gamers, students, and professionals. Specifications: Display : 27″ IPS Resolution : 1920×1080 Refresh Rate : 120Hz Response Rate : 1ms
Led Curved Gaming Monitor Display Screen Size (Inch):23.5 Screen Size (cm):59.8 Screen Size (Class):24 Flat / Curved : Curved Active Display Size (HxV) (mm) :521.3952(H) * 293.2848(V) Screen Curvature : 1800R Aspect Ratio : 16:9 Panel Type : VA Brightness (Typical) : 250cd/m2 Peak Brightness (Typical) : 250cd/m2 cd/㎡ Brightness (Min) : 200cd/m2 Contrast Ratio Static : 3,000:1(Typ) Dynamic Contrast Ratio : Mega DCR Resolution : 1,920 x 1,080 Response Time : 4ms (GTG) Viewing Angle (H/V) : 178°(H)/178°(V) Color Supported : 16.7M Color Gamut (NTSC 1976) : 72% Refresh Rate : 144Hz Specifications: Led Curved Gaming Monitor Display Screen Size (Inch):23.5 Screen Size (cm):59.8 Screen Size (Class):24 Flat / Curved : Curved 3 year warranty
External Seagate 2TB/4TB HDD Expansion Portable Drive Easily store and access 2TB/4TB of content on the go with Seagate Expansion Portable hard drive This external hard drive for Windows computers makes backup a snap just drag and drop To get set up, connect the portable hard drive to your Windows computer for automatic recognition no software required This USB drive provides plug and play simplicity with the included 18 inch USB 3.0 cable Enjoy long term peace of mind with the included one year limited warranty
The BenQ 32-inch 4K Monitor for MacBook overview for creative professionals is a 32-inch UHD display designed for MacBook users who need a larger workspace with excellent image quality and accurate color performance. It features a 3840 × 2160 resolution that delivers sharp details for photo editing, video production, graphic design, and professional multitasking. The MA320U features a matte display surface that helps reduce reflections and glare, while the MA320UP features a glossy display surface that enhances contrast and visual clarity. Therefore, both models provide a high-quality viewing experience for creative and productivity-focused workflows. The display performance and color accuracy deliver detailed visuals with consistent colors across different applications. Moreover, the IPS panel provides wide viewing angles and comfortable viewing during long working sessions. As a result, users can enjoy reliable image quality for both professional tasks and everyday use. The connectivity and ergonomic design support efficient workstation setups. In addition, USB-C connectivity enables easy connection with MacBook devices, while HDMI and USB ports provide additional compatibility with other equipment. Therefore, the monitor helps create a clean and organized workspace. The workflow compatibility supports macOS and Windows systems for creative work, office applications, and entertainment. Furthermore, the 32-inch 4K screen provides extra space for multitasking while maintaining excellent clarity. Specifications: Display size: 32-inch IPS panel Resolution: 3840 × 2160 (4K UHD) Models: MA320U Matte display and MA320UP Glossy display Connectivity: USB-C, HDMI, and USB ports Warranty: 3 Years
Screen Size 32″ Display Type VA Color Gamut (Typ.) sRGB 95% (CIE1931) Color Depth (Number of Colors) 16.7M Pixel Pitch (mm) 0.36375 x 0.36375 mm Response Time (GTG) 5ms (GtG at Faster), 1ms MBR Refresh Rate 165Hz Aspect Ratio 16:9 Display Resolution FHD Resolution 1920 x 1080 Brightness 300cd/m² Contrast Ratio 3000:1 Viewing Angle 178º (R/L), 178º (U/D) Surface Treatment Anti-Glare INPUT/OUTPUT HDMI Yes x 2 DisplayPort Yes x 1 Headphone Out Yes POWER Type Adapter Input 100-240 Vac, 50/60Hz Power Save/Sleep Mode (Max.) Less than 0.5W DC Off (Max.) Less than 0.3W Power Consumption (Typ.) 40W Power Consumption (Max.) 40W SPECIAL FEATURES NVIDIA G-Sync™ Yes (Compatible) Adaptive Sync AMD FreeSync™ Premium Black Stabilizer® Yes Dynamic Action Sync® Yes Crosshair® Yes Flicker Safe Yes Smart Energy Saving Yes Reader Mode Yes OnScreen Control (OSC) Yes HDR (High Dynamic Range) HDR10 HDR Effect Yes FreeSync (Low Frame Compensation) Yes Motion Blur Reduction Technology Yes 1ms Motion Blur Reduction Yes SOUND Speaker No Built-in Speaker DIMENSIONS/WEIGHTS With Stand (WxHxD) 28.1″ x 23.6″ x 11.5″ (Up), 28.1″ x 19.3″ x 11.5″ (Down) Without Stand (WxHxD) 28.1″ x 16.9″ x 2.0″ Shipping Dimensions (WxHxD) 31.2” x 21.9” x 8.9” With Stand Weight 15.9 lbs Without Stand Weight 11.2 lbs Shipping Weight 22.7 lbs STAND Display Position Adjustments Tilt/Height/Pivot CABINET/ACCESSORIES Wall Mount Size (mm) 100 x 100 mm Display Port Yes 3 Years Warranty manufacturer link
✅ Full Specifications: Model: HyperX Cloud II Headphone Type: Over-Ear, Closed-Back Gaming Headset Connection: Wired USB for PC/Mac 3.5mm jack for consoles & mobile Drivers: 53mm Neodymium Surround Sound: Virtual 7.1 Surround Sound (via USB sound card) Frequency Response: Headphones: 15Hz – 25kHz Microphone: 50Hz – 18kHz Impedance: 60 Ohms Sound Pressure Level: 98 ± 3 dB Microphone: Detachable noise-canceling mic TeamSpeak & Discord certified Build: Aluminum frame Memory foam ear cushions Leatherette or velour ear pads Cable Length: 1m headset cable 2m extension with USB control box Compatibility: PC, Mac, PS4, PS5, Xbox (via 3.5mm), Nintendo Switch, Mobile
BATTERY DELL F3YGT 7.6V 60Wh Type F3YGT Battery for Dell Latitude 7480 7490 7280 7290 7380 7390 P73G001 P73G002 P28S001 P28S002 P29S002 DM3WC 2X39G DM6WC 451-BBYE 453-BBCF P28S P73G KG7VF 4-Cell About this item REPLACE BATTERY PART : 7.6V 60 WHr 4-Cell F3YGT battery replace part F3YGT DM3WC 2X39G 0DM3WC 0F3YGT 451-BBYE 453-BBCF KG7VF. (Only replace with type 60Wh battery, NOT fit DJ1J0 42WHr 3-Cell! Please check your original battery to make sure you get the correct replacement battery!) FIT LAPTOP MODELS: For Dell Latitude 12 7000 7280 7290 Latitude 13 7000 7380 7390 Latitude 14 7000 7480 7490 Latitude 7280 7290 7380 7390 7480 7490 E7280 E7290 E7380 E7390 E7480 E7490 P28S P73G P28S001 P28S002 P73G001 P73G002 Series laptop. (NOT fit for Dell Latitude 7390 2-in-1 Series) SPECIFICATION: Model Name: 60Wh Standard Rechargeable Li-ion Battery Type F3YGT; Battery Type: Li-Ion Polymer; Voltage: 7.6V; Capacity: 60Wh; Cells: 4-cell; Size: About 9.37×3.78×0.22inch; Weight: About 10OZ / 0.63lb; Condition: 100% New; Life span: About 300-500 discharge per charge cycles; Packages includes: 1PC F3YGT laptop battery(with two free screwdrivers and user manual for easy installation, battery cable NOT included)
The Lenovo G27-20 27″ Monitor delivers sharp visuals and smooth performance for gaming, work, and everyday use.It features a 27-inch Full HD display that shows clear images and vibrant colors. Moreover, its fast refresh rate ensures smooth motion for games and videos. This monitor uses a VA panel for strong contrast and wide viewing angles. Additionally, a quick response time helps reduce blur during fast-paced action. The anti-glare screen also helps reduce reflections in bright rooms. HDMI and DisplayPort inputs allow easy connection to PCs, laptops, and consoles. Furthermore, tilt adjustment lets you find a comfortable viewing angle during long sessions. Low blue light and flicker-free technologies help reduce eye strain over extended use. This display is ideal for gamers, students, and office users alike. Therefore, it supports gaming, streaming, and daily productivity tasks. Finally, it combines strong visuals, fast performance, and comfort features for daily use. Specifications: Screen Size: 27″ Full HD VA panel Refresh Rate: Fast, 165 Hz for gaming Response Time: 1 ms MPRT Ports: HDMI + DisplayPort Features: Anti-glare, low blue light, flicker-free eye-care
The LG 24″ FHD IPS 120Hz HDR10 Monitor – Slim Stand | 24U411A-B delivers crisp visuals and smooth motion for work and play. This monitor brings vibrant colors and sharp detail to all your content. Moreover, its 120Hz refresh rate makes motion feel fluid and responsive. Therefore, it suits gamers, students, and home office users alike. First, the full HD resolution ensures clear images on a 24-inch screen. Text looks sharp, videos pop, and games appear more alive. In addition, the IPS panel provides wide viewing angles so colors stay consistent from any seat. This helps when friends or family watch together. Also, the HDR10 support enhances brightness and contrast for richer scenes. Next, the fast 120Hz refresh rate makes motion smooth in games and video. Low frame drops mean play feels more responsive. Meanwhile, everyday tasks like scrolling and navigating menus feel quicker. As a result, overall screen performance feels natural and enjoyable for all day use. The slim stand design saves desk space and adds modern style to your setup. It fits neatly with any décor and keeps the workspace clean. Additionally, tilt adjustments help you find a comfortable viewing angle. This makes long work or play sessions easier on your neck and eyes. Connectivity includes essential ports so you can link laptops, desktops, and consoles easily. Plug and play means simple setup with few steps. Furthermore, built-in speakers provide basic sound without extra devices attached. This gives extra convenience when audio isn’t your main focus. Overall, the LG 24″ FHD IPS 120Hz HDR10 Monitor – Slim Stand | 24U411A-B combines smooth performance, vivid color, and practical design. It offers great value for users who want quality visuals and fluid motion without complexity. Manufacturer link Specifications: Display : 24″ IPS Resolution : 1920 x 1080 Refresh Rate : 120Hz Response Rate : 5ms
