A powerful pre-owned Dell Precision 7550 mobile workstation with 15.6" display, 10th Gen Core i7, 16GB RAM, 256GB SSD, and NVIDIA Quadro T2000 4GB—built for engineers, designers, and professionals who need certified performance and reliability.
LENOVO 20V/4.5A USB PIN Laptop Charger for Lenovo Thinkpad Compatible Part NO.: 45N0236, 45N0237, 45N0238, 45N0239 0B46994, 0B46995, 0B46996, 0B46997, 0B46997, 0B46998, 0B469990B47000, 0B47001, 0B47002, 0B47003, 0B47004, 0B47005, 0B47006
Are you looking for a high-performance monitor to boost your productivity? The MSI Pro MP251P 25″ 100Hz Monitor is the perfect choice. This monitor offers stunning visuals and smooth performance for both work and entertainment. Firstly, let’s talk about the display quality. The MSI Pro MP251P features a 25-inch screen with a 100Hz refresh rate. This ensures crisp, clear images and reduces motion blur. Whether you’re working on detailed design projects or enjoying your favorite movies, the visual experience is exceptional. Moreover, the 100Hz refresh rate provides a smooth and fluid viewing experience. This is especially beneficial for gaming and video playback. You won’t miss any details with this monitor’s high refresh rate. In addition, the MSI Pro MP251P is designed with productivity in mind. Its wide screen provides ample space for multitasking. You can easily open multiple windows and work on various tasks simultaneously. This helps in improving your efficiency and workflow. Furthermore, this monitor is equipped with anti-flicker technology and a blue light filter. These features reduce eye strain, allowing you to work for longer periods without discomfort. It’s a great choice for those who spend long hours in front of the screen. Connectivity options are also plentiful with the MSI Pro MP251P . It includes multiple ports such as HDMI and DisplayPort, making it easy to connect to different devices. This versatility enhances your overall user experience. In conclusion, the MSI Pro MP251P 25″ 100Hz Monitor is an excellent investment for anyone seeking to improve their productivity and enjoy stunning visuals. Whether for work or entertainment, this monitor delivers on all fronts. Elevate your workspace with the MSI MP251P today! Specifications: Display : 24.5″ IPS Resolution : 1920 x 1080 (FHD) Refresh Rate : 100Hz Response Rate : 1ms MRPT
BenQ PD3205U 32” 4K UHD IPS Monitor | 3840×2160 | 3 Years Warranty is a professional 32-inch display designed for productivity, creative work, and Mac/PC users who need accurate colors and a large workspace. It uses a 31.5-inch IPS panel with 4K UHD resolution (3840×2160). Therefore, it delivers sharp text, clear images, and high pixel density for multitasking and design work. In addition, it supports 99% sRGB and 99% Rec.709 color coverage for consistent and accurate color output. Moreover, it includes HDR10 support with up to 350 nits peak brightness. As a result, it improves contrast in supported HDR content while maintaining stable SDR performance. In addition, the monitor uses a 1000:1 contrast ratio for balanced image depth. The PD3205U features a 60Hz refresh rate and 5ms response time. Therefore, it focuses on productivity rather than competitive gaming. In addition, the IPS panel provides wide 178° viewing angles for consistent visuals from different positions. Connectivity includes USB-C with up to 90W power delivery. As a result, it can charge a laptop while sending video, data, and audio through a single cable. In addition, it supports HDMI 2.0, DisplayPort 1.4, USB-A, USB-B, and a built-in KVM switch for multi-device control. Furthermore, it includes Eye-Care technologies such as Flicker-Free and Low Blue Light modes. Therefore, it helps reduce eye strain during long work sessions. In addition, the ergonomic stand supports height, tilt, swivel, and pivot adjustments for better comfort. Finally, the BenQ PD3205U delivers a large 4K workspace, accurate color performance, and full USB-C docking functionality for professional and Mac-based workflows. Specifications: Display: 32-inch IPS panel with 3840×2160 4K UHD resolution Color: 99% sRGB and 99% Rec.709 coverage Brightness: 250 nits typical, up to 350 nits HDR peak Connectivity: USB-C 90W, HDMI 2.0, DP 1.4, USB hub, KVM switch Ergonomics: Height, tilt, swivel, pivot adjustable stand with Eye-Care features
The MSI PRO MP251L E2 monitor delivers reliable performance for daily work and home use. It features a 24.5-inch Full HD display that provides clear visuals and consistent color quality. Therefore, users can handle tasks like browsing, office work, and media viewing with ease. Moreover, the 120Hz refresh rate improves screen smoothness during scrolling and light gaming. This creates a more comfortable viewing experience over long periods. In addition, the IPS panel ensures wide viewing angles and stable color reproduction from different positions. Furthermore, the monitor supports eye care features that help reduce strain during extended use. This makes it suitable for professionals and students alike. As a result, users can stay productive while maintaining visual comfort throughout the day. The design also focuses on simplicity and efficiency. It includes essential connectivity options for easy setup with various devices. Consequently, the MSI PRO MP251L E2 monitor offers a balanced combination of performance, comfort, and usability. MSI PRO MP251L E2 monitor is a practical choice for users who need smooth visuals and dependable display quality. Specifications: 24.5-inch Full HD (1920 × 1080) IPS display 120Hz refresh rate for smoother visuals Wide viewing angles with consistent colors Eye care technology for reduced strain Multiple connectivity options for easy setup
The Genius KM-100SE is a reliable wired keyboard and mouse combo featuring a full-size 104-key layout and USB plug-and-play connection. Ideal for office, business, and everyday home use, it delivers comfortable typing and smooth mouse control with stable performance. The Genius KM-100SE Keyboard & Mouse Combo is a practical and durable solution for users who need dependable performance for daily work. The full-size keyboard offers a comfortable typing experience with a standard layout that’s perfect for productivity, while the wired optical mouse ensures smooth and accurate cursor control. With USB plug-and-play setup, it works instantly with laptops and desktop PCs—no drivers needed. Full-Size 104-Key Keyboard for efficient and comfortable typing Wired USB Connection for stable, lag-free performance Plug & Play Setup – no software or drivers required Comfortable Key Spacing ideal for long office sessions Wired Optical Mouse Included for smooth and accurate tracking Durable Design suitable for daily professional use Ideal for Office & Home – work, study, and general computing Perfect for business offices, schools, home users, and laptop/desktop setups needing a simple, reliable wired keyboard and mouse set. Compatible with most computers supporting USB.
Compatible With: MacBook Pro 15.4-inch (Mid 2012, Model A1398, Model Identifier MacBookPro10,1) — the first Retina MacBook Pro. Includes: Complete left and right speaker units with pre-attached connector cables and mounting brackets, ready for direct installation. Audio Performance: Engineered to match Apple’s original acoustic design—delivers clear mid-range, balanced stereo separation, and consistent volume levels across system audio, video calls, and media playback. OEM Build Quality: Precision-molded housing, original grille pattern, and correct wiring length ensure seamless integration into the MacBook’s chassis without rattling or interference. Common Use Cases: Replaces speakers damaged by liquid spills, physical impact, or aging (e.g., crackling, no sound, or distorted audio). Installation Note: Requires full bottom case and logic board access. Speakers are secured with screws and adhesive tape. Recommended for experienced technicians due to tight internal layout and delicate connectors.
Gaming-optimized in-ear headphones in bold red, featuring a built-in microphone, tangle-free flat cable, and signature HyperX comfort—designed for mobile gaming, console use, and on-the-go communication. Model: HyperX Cloud Earbuds (Red Edition) Color: Vibrant Red earbuds with matching red cable accents Type: In-ear headphones with integrated microphone Designed For: Mobile gaming (iOS/Android), Nintendo Switch, PC, and everyday use Key Features: Built-in Microphone: Clear voice pickup for in-game chat, calls, and voice commands Tangle-Free Flat Cable: Durable, lightweight, and resistant to knots Ergonomic Fit: Includes 3 sizes of silicone ear tips (S/M/L) for secure, comfortable wear Universal 3.5mm Jack: Compatible with any device with a standard headphone/mic combo port Works with Nintendo Switch, PC, smartphones, tablets, and more Gaming-Grade Audio: Tuned for immersive sound with enhanced bass and vocal clarity In-Line Controls: Convenient mic mute and call answer/end button Built-in Microphone: Clear voice pickup for in-game chat, calls, and voice commands Tangle-Free Flat Cable: Durable, lightweight, and resistant to knots Ergonomic Fit: Includes 3 sizes of silicone ear tips (S/M/L) for secure, comfortable wear Universal 3.5mm Jack: Compatible with any device with a standard headphone/mic combo port Works with Nintendo Switch, PC, smartphones, tablets, and more Works with Nintendo Switch, PC, smartphones, tablets, and more Gaming-Grade Audio: Tuned for immersive sound with enhanced bass and vocal clarity In-Line Controls: Convenient mic mute and call answer/end button Technical Specifications: Driver Size: 14.2 mm Frequency Response: 20 Hz – 20 kHz Impedance: 60 Ω Sensitivity: 100 dB Cable Length: 1.2 m (3.9 ft) Connector: 3.5mm 4-pole (CTIA standard) Driver Size: 14.2 mm Frequency Response: 20 Hz – 20 kHz Impedance: 60 Ω Sensitivity: 100 dB Cable Length: 1.2 m (3.9 ft) Connector: 3.5mm 4-pole (CTIA standard) What’s in the Box: HyperX Cloud Earbuds (Red) 3 pairs of silicone ear tips (S/M/L) Carrying pouch Quick start guide HyperX Cloud Earbuds (Red) 3 pairs of silicone ear tips (S/M/L) Carrying pouch Quick start guide Ideal For: Mobile gamers (PUBG Mobile, Call of Duty, Fortnite, etc.) Nintendo Switch players Commuters and students needing compact, durable audio Gamers seeking console-compatible audio with mic support Mobile gamers (PUBG Mobile, Call of Duty, Fortnite, etc.) Nintendo Switch players Commuters and students needing compact, durable audio Gamers seeking console-compatible audio with mic support
Led Desk Lamp REMAX RT-E815 ReSee Series Smart Eye-Caring 1500mAh RT-E815 With Container · Eye-caring lightning · Large-area lighting · 1500mAh · Delayed light-off · Soft lighting · Stepless dimming · Pen/phone holder · With rechargeable battery · Plug and use · A soft hose of 360-degree adjustment.
Lenovo Battery L15L4A01 Battery for Lenovo V4400 Ideapad 100-14IBD 100-15IBD 110-15ISK 110-17ACL 110-17IKB 300-15ABM 300-15IBR 300-15IBY 300-15IBR 300-15IBY 300-15IBY 300-15ISK 300-17ISK 80Q70021US 80UD Lenovo Battery L15L4A01 Battery for Lenovo V4400 Ideapad 100-14IBD 100-15IBD 110-15ISK 110-17ACL 110-17IKB 300-15ABM 300-15IBR 300-15IBY 300-15IBR 300-15IBY 300-15IBY 300-15ISK 300-17ISK 80Q70021US 80UD[14.8V 33Wh] About this item Battery type: Li-ion, voltage: 14.4 V, capacity: 32 Wh, color: black Compatible Part Number:5B10H70338 5B10H70339 5B10H70340 5B10H70341 5B10H71978 5B10H71979 5B10K02215 5B10K02218 5B10 KK0221 9 5B10K80878 5B10L04213 5B10L12769 5B10L12770 5B10L12771 5B10L30040 5B10L30041 L15L4A01 L15L4E. 01 L1 L5M4A01 L15M4E01 L15S4A01 L15S4E01 Fits Model: Lenovo Ideapad 110-15ISK Series Tablet 80UD 80UD001TUS; 100-14IBD 100-15IBD 110-15ISK 110-17ACL 110-17IKB 300-15ABM 300-15IBR 300-15IBR 300-15IBR 300-15 IBY 300 -15IBR 300-15IBY 300-15IBY 300-15ISK 300 -17ISK 80RJ 80RK 80MJ 80QQ 80UD 80NL 80M3 80Q7 80QH New from manufacturer. CE/FCC/RoHS certified for safety.
SanDisk 2TB Portable SSD - Up to 800MB/s, USB-C, USB 3.2 Gen 2, Updated Firmware - External Solid State Drive - SDSSDE30-2T00-G26 SanDisk 2TB Portable SSD – Up to 800MB/s, USB-C, USB 3.2 Gen 2, Updated Firmware – External Solid State Drive – SDSSDE30-2T00-G26 About this item Solid state performance with up to 800MB/s read speeds in a portable drive. (Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes.) Back up your content and memories on a storage solution that fits seamlessly into your mobile lifestyle. Take it with you on your adventures—up to two-meter drop protection means this durable drive can take a beating. (Based on internal testing.) Secure it to your belt loop or backpack for extra peace of mind thanks to the tough rubber hook. From SanDisk, a brand professional photographers trust to take on assignments.
LG B2B Monitor 19 inch 19MB15T is designed for business workspaces, POS systems, and daily office use. It features a 19-inch IPS display with touch screen support for simple and responsive operation. Additionally, it uses a compact design that fits small desks and retail counters. Therefore, it works well for offices, shops, and service environments. The LG B2B Monitor 19 inch 19MB15T delivers 1280 × 1024 resolution with a 5:4 aspect ratio and IPS panel technology. Moreover, it includes 250 cd/m² brightness, 14ms response time, and 178° viewing angles for clear display quality. It supports D-Sub input and USB connection for touch functionality. In addition, it includes Reader Mode and built-in power for easier daily use. Furthermore, the monitor supports tilt adjustment from 15° to 68° and VESA 75 × 75 wall mounting for flexible setup. As a result, users can improve comfort and workspace organization. It also helps reduce cable clutter with its built-in power design. Specifications: 19-inch IPS touch screen display 1280 × 1024 HD resolution with 5:4 aspect ratio 250 cd/m² brightness with 178° viewing angle D-Sub input with USB touch connection Tilt adjustment and VESA 75 × 75 mount support
The MSI MAG32URDF E16 gaming monitor delivers flexible performance with dual-mode display support. It features a large 32-inch screen that adapts to different gaming needs. Therefore, users can switch between ultra-fast speed and high-resolution clarity. Moreover, the monitor supports Full HD at 320Hz for competitive gaming. This ensures smooth motion and fast response during intense gameplay. In addition, it offers 4K UHD at 160Hz for detailed visuals and immersive experiences. The panel provides sharp image quality with accurate colors and wide viewing angles. As a result, it suits both gaming and content viewing. Furthermore, adaptive sync technology helps reduce screen tearing and stuttering. Connectivity options support easy integration with modern devices. Consequently, the MSI MAG32URDF E16 gaming monitor delivers both speed and visual quality in one solution. The MSI MAG32URDF E16 gaming monitor is ideal for users who want both high refresh rates and 4K clarity in one display. Specifications: 32-inch display with dual-mode resolution support 4K UHD (3840 × 2160) at 160Hz refresh rate Full HD (1920 × 1080) at 320Hz refresh rate Adaptive sync support for smooth performance Multiple input ports for flexible connectivity
RK61 RGB Mechanical Keyboard – Compact 60% keyboard with Blue switches, tri-mode (Bluetooth/2.4GHz/Wired), and vibrant RGB.Perfect for minimal desk setups and wireless performance with a unique W-W-B color design. Model: Royal Kludge RK61 Layout: 60% compact (61 keys, no numpad or F-row) Switch Type: Blue Mechanical Switches (clicky + tactile feedback) Backlight: RGB with multiple lighting modes & effects Connection Modes (3C): Bluetooth 5.0 – Pair with up to 3 devices Wired USB-C – For gaming and charging 2.4GHz Wireless (on 3-mode models) Connection Modes (3C): Bluetooth 5.0 – Pair with up to 3 devices Wired USB-C – For gaming and charging 2.4GHz Wireless (on 3-mode models) Battery: 1450mAh rechargeable battery Keycaps: ABS double-shot (W-W-B colorway: White-White-Black) Hot-Swappable: No (unless stated on specific variant) Compatibility: Windows, macOS, Android, iOS Anti-Ghosting: Full N-Key rollover Software Support: RK software for key remapping and RGB control (Windows only) Build Material: ABS plastic case, plastic plate Cable: Detachable USB-C cable included Dimensions: Approx. 290 x 100 x 40 mm Weight: ~500g
BATTERY ACER AC14B8K Battery 4ICP5/57/80 for Acer Aspire R5-571T R5-471T R7-371 R7-371T R3-131T ES1-511 ES1-512 ES1-531 E3-112 Chromebook CB5-571 CB3-531 Swift 3 SF314-51 SF314-52 Nitro 5 AN515-51 Aspire 5 A515-51 About this item Compatible for Acer AC14B8K 4ICP5/57/80 KT0030G.004 KT.0040G.004 3ICP5/57/80 Battery Compatible Models for Acer Chromebook CB5-571 CB5-571-C1DZ CB5-571-C4G4 CB3-531 CB3-531-C4A5, Acer Aspire R3-131T R3-131T- P344 R5-571T R5-571T-59DC R5-571TG R5-431T R5-471T R5-571TG-7229 R5-471T-51UN R5-571T-59DC R7-371T R7-372T, Acer Aspire 5 A515-51 A515-51G, Acer Aspire V3-371 E3-111 E3-112 ES1-111 ES1-131 ES1-511 ES1-731 ES1-711-P1UV E5-771, Acer Nitro 5 AN515-51 AN515-52 AN515-53, Acer Swift 3 SF314-51 SF314-52 SF314-52G, Acer Spin SP111-31 battery AC14B8K Laptop Battery SPECS: Battery Type: Li-polymer, Voltage: 15.2V, Capacity: 3220mAh, Cells: 4 cells, 100% Brand New. Packages include: 1x for Acer Battery AC14B8K with safety box. Safety Control: FLYTEN has its factory so we can control strictly the production. There are professional engineers to ensure batteries’ quality and safety. All our AC14B8K batteries have passed strict intelligent detection, such as short circuit protection, over-voltage protection, discharge protection, and over-current protection, which ensure both safety and stability. CE-/FCC-/RoHS-Certified. Warranty: Rest assured with 60 days Refund and 12 months Warranty. Since Amazon return windows will close after one month, don’t worry about it, you can click on Seller Store in the right corner “ask a question” and contact Seller Us directly! We are always here for you to solve your problems!
The MSI PRO MP251 E2 24.5″ 120Hz Monitor is designed for smooth performance and vibrant visuals. It offers a fast 120Hz refresh rate, providing a fluid viewing experience for work and entertainment. Whether you’re working on tasks or watching videos, this monitor delivers clear and sharp visuals. With a 24.5-inch Full HD display, the MSI PRO MP251 E2 provides stunning image quality. The high resolution ensures crisp details, making it perfect for productivity and multimedia use. The IPS panel technology enhances color accuracy and wide viewing angles, ensuring consistent colors from any angle. The fast 120Hz refresh rate helps reduce motion blur and provides smoother visuals. This makes it great for video editing, casual gaming, and multitasking. You’ll experience a more responsive display that enhances your workflow. Setting up the MSI PRO MP251 E2 24.5″ 120Hz Monitor is easy. It comes with multiple connectivity options, including HDMI and DisplayPort, allowing you to connect your devices effortlessly. Whether you’re using a PC, laptop, or gaming console, this monitor fits perfectly into your setup. The monitor also features an eye-care design with flicker-free technology and a low blue light mode. This helps reduce eye strain, making it ideal for long hours of work or study. Its slim and modern design blends seamlessly into any workspace, saving desk space while enhancing your setup. The adjustable stand allows you to find the perfect viewing angle for comfort and productivity. Upgrade your display with the MSI PRO MP251 E2 24.5″ 120Hz Monitor and enjoy a smooth and vibrant visual experience. Specifications: Display : 24.5″ IPS Screen : FHD (1920×1080) Refresh Rate : 120Hz Response Rate : 1ms
Are you in search of a monitor that delivers both smooth performance and vibrant visuals? Look no further than the MSI Pro 27″ 100Hz Monitor. Designed to meet the demands of both gamers and professionals, this monitor offers a seamless viewing experience. First and foremost, let’s discuss its refresh rate. With a refresh rate of 100Hz, this monitor ensures buttery-smooth visuals, free from motion blur or screen tearing. Whether you’re gaming or working, every frame is delivered with precision and clarity. Additionally, the 27-inch display provides ample screen real estate, allowing for immersive gaming sessions or productive work environments. Say goodbye to squinting at small screens and hello to expansive viewing experiences. Transitioning to color accuracy, the MSI Pro monitor boasts vibrant and true-to-life colors, thanks to its advanced display technology. Whether you’re editing photos, watching movies, or gaming, every hue is rendered with stunning accuracy. Moreover, the monitor’s sleek and minimalist design adds a touch of sophistication to any workspace or gaming setup. Its thin bezels maximize screen space, while the adjustable stand ensures ergonomic viewing angles for maximum comfort. Furthermore, with multiple connectivity options, including HDMI and DisplayPort, this monitor seamlessly integrates with your existing setup. Whether you’re connecting a gaming console, PC, or laptop, setup is quick and hassle-free. In conclusion, the MSI Pro 27″ 100Hz Monitor is a versatile display solution that excels in both performance and aesthetics. Whether you’re a gamer, content creator, or professional, this monitor delivers an exceptional viewing experience that enhances productivity and enjoyment. Upgrade your display today and immerse yourself in the world of vibrant visuals and smooth performance. Specifications: Display : 27″ Resolution : 1920 x 1080 (FHD) Refresh Rate : 100Hz Response Rate : 1ms
View Sonic Monitor ViewSonic LCD Display XG2405 XG2405 24″ 24-inch 3-side Borderless Display 144Hz Refresh Rate 1ms (GtG) Response Time AMD FreeSync Specifications: View Sonic Monitor ViewSonic LCD Display XG2405 XG2405 24″ 24-inch 3-side Borderless Display 144Hz Refresh Rate 1ms (GtG) Response Time AMD FreeSync 1 Year Warranty
Looking for a high-quality monitor to elevate your viewing experience? Meet the BenQ EW3270U 32″ 4K HDR Monitor. With its impressive 4K resolution, every detail comes to life with stunning clarity. Firstly, let’s talk about the brilliance of HDR technology. Experience richer colors and deeper contrasts that make images and videos pop off the screen. Whether you’re watching movies, gaming, or editing photos, HDR brings content to life like never before. Moreover, the spacious 32-inch screen provides ample space for multitasking and immersive entertainment. Whether you’re working on spreadsheets or enjoying your favorite games, you’ll appreciate the expansive display and crisp visuals. Additionally, the BenQ EW3270U offers advanced eye care features to reduce eye strain during long hours of use. With flicker-free technology and low blue light modes, you can enjoy extended viewing sessions comfortably. Furthermore, connectivity options abound with multiple ports, including HDMI, DisplayPort, and USB-C. Easily connect your devices and enjoy seamless integration with laptops, desktops, gaming consoles, and more. In conclusion, the BenQ EW3270U 32″ 4K HDR Monitor is the perfect choice for those seeking superior visual quality and immersive viewing experiences. Whether you’re a professional creator or a casual user, this monitor delivers unmatched performance and versatility. Upgrade your setup today and see the difference for yourself. Specifications: Display : 31.5″ VA HDR 10 Resolution : 4K UHD Refresh Rate : 60Hz Response Rate : 4 ms Built-in Speaker : 2Wx2
The MSI MAG 32CQ6F 32″ 180Hz Curved Gaming Monitor delivers an immersive gaming experience. Its 32-inch curved display enhances your field of view, making games feel more engaging and realistic. With a 1500R curvature, it offers a comfortable viewing experience for extended gaming sessions. This monitor features a 180Hz refresh rate, providing ultra-smooth visuals. It reduces motion blur and screen tearing, ensuring a competitive edge in fast-paced games. Combined with a 1ms response time, you get lightning-fast reactions with no ghosting or lag. The MSI MAG 32CQ6F boasts a 2560×1440 (QHD) resolution, offering crisp and detailed visuals. Whether you’re gaming, streaming, or working, the high resolution provides stunning clarity. The VA panel technology ensures vibrant colors and deep contrasts for an immersive viewing experience. With support for AMD FreeSync Premium, the monitor synchronizes with your GPU to eliminate screen tearing and stuttering. This ensures smooth gameplay even during intense action scenes. The monitor also features multiple connectivity options, including HDMI and DisplayPort, making it compatible with various devices. The stylish and modern design of the MSI 32CQ6F complements any gaming setup. Its slim bezels and adjustable stand offer flexibility and comfort. Plus, the anti-flicker and low blue light technology help reduce eye strain, allowing for longer gaming sessions. Upgrade your gaming experience with the MSI MAG 32CQ6F 32″ 180Hz Curved Gaming Monitor, perfect for casual and competitive gamers alike. Specifications: Display : 31.5″ Rapid VA Resolution : 2560 x 1440 (WQHD) Curvature : 1500R Refresh Rate : 180Hz Response Rate : 0.5ms
