The ViewSonic VA2730-4K-HD 27″ UHD 60Hz Monitor delivers crisp, detailed 4K visuals for work, media, and creative projects. Its UHD resolution shows sharp text, images, and video with clear clarity. The 27‑inch screen gives you plenty of space for multitasking and large spreadsheets. Moreover, the ViewSonic VA2730-4K-HD uses a quality IPS panel that gives wide viewing angles and consistent colors from any seat. Colors stay accurate even when you look off‑center. This makes photos, designs, and movies appear vibrant and natural. In addition, the monitor supports HDR10 for improved contrast and more realistic visuals. It also includes anti‑glare coating and a blue‑light filter to protect your eyes during long use. These features help reduce eye strain when you work or binge‑watch for hours. Furthermore, the ViewSonic VA2730-4K-HD 27″ UHD 60Hz Monitor offers simple connectivity with HDMI and DisplayPort. You can connect laptops, desktops, or consoles easily. The plug-and-play setup makes it ready fast, without fuss. Also, the monitor’s design is modern and slim. The thin bezel gives a clean look that suits offices, home desks, or studios. The stand tilts slightly to help you get a comfortable viewing angle. The build feels solid and reliable for daily use. Overall, the ViewSonic VA2730-4K-HD 27″ UHD 60Hz Monitor blends high resolution, vivid color, and usability in one versatile screen. It enhances productivity, creative work, and entertainment. It is ideal for professionals, media fans, and casual users who want a clear, quality display. Specifications: Display : 27″ IPS Resolution : UHD 3840×2160 Refresh Rate : 60Hz Response Time : 4ms
Acer Nitro QG241YBII 23.6 Inch Gaming Monitor LED Full Hd Screen Size 23.8 Inches Display Resolution Maximum 1920×1080 Brand Acer Special Feature Full HD Refresh Rate 75 Hz Specifications: Acer Nitro QG241YBII 23.6 Inch Gaming Monitor LED Full Hd Screen Size 23.8 Inches Display Resolution Maximum 1920×1080 Brand Acer Special Feature Full HD Refresh Rate 75 Hz
The Samsung ViewFinity S7 27″ 4K Monitor is an outstanding choice for anyone seeking a clear, high-resolution display. This 4K monitor offers crisp visuals and vibrant colors, enhancing your viewing experience for work, gaming, and entertainment. With a 27-inch display, this monitor provides a large screen space to increase productivity. The 4K UHD resolution (3840 x 2160) offers four times the clarity of Full HD, so every detail is sharp and vivid. Whether you’re editing photos, creating designs, or just enjoying high-definition content, this monitor brings every image to life. The Samsung ViewFinity S7 4K Monitor is designed with a slim, minimalist look. It features ultra-thin bezels, allowing for a near borderless viewing experience. This makes it ideal for dual-monitor setups, as you can position screens side by side seamlessly. Setting up the monitor is simple, with multiple connectivity options like HDMI and DisplayPort. It also features USB-C compatibility, allowing for fast data transfer and device charging, reducing the need for multiple cables on your desk. This Samsung 4K monitor supports HDR10, providing higher contrast and accurate colors for a richer picture. Its wide viewing angles ensure that the image stays consistent, even when viewed from the side. This is perfect for shared workspaces or group settings. Additionally, the Samsung ViewFinity S7 has advanced eye-care technology. It includes features like Eye Saver Mode and Flicker-Free technology to reduce eye strain during long sessions. Upgrade your workspace or gaming setup with the Samsung ViewFinity S7 Monitor and enjoy stunning visuals. Specifications: Display : 27″ VA Resolution : 4K (3840×2160) HDR10 Refresh Rate : 60Hz Response Rate : 5ms
The ACER Nitro ED320QR 32″ Monitor delivers immersive and smooth visuals for gaming, work, and entertainment. It features a 32-inch Quad HD display that shows crisp details and vibrant colors. Moreover, its high refresh rate ensures fluid motion during fast-paced games and videos. This monitor uses a VA panel for strong contrast and wide viewing angles. Additionally, the fast response time reduces blur and ghosting during competitive gaming. The anti-glare screen minimizes reflections in bright rooms. HDMI and DisplayPort inputs allow easy connection to PCs, laptops, and consoles. Furthermore, tilt adjustment helps you find a comfortable viewing angle during long sessions. Low blue light and flicker-free technologies reduce eye strain during extended use. This display is suitable for gamers, professionals, and home users alike. Therefore, it supports gaming, multimedia, and productivity tasks. Finally, it combines sharp visuals, smooth performance, and comfort features for daily use. Specifications: Screen Size: 32″ Quad HD VA panel Resolution: 2560 × 1440 Refresh Rate: High for smooth motion Ports: HDMI + DisplayPort Features: Anti-glare, low blue light, flicker-free eye care
BenQ Board Essential Series 75 inch RE7504FV is designed for classrooms, meeting rooms, and interactive collaboration. It features a 75-inch 4K UHD IPS display with precision IR touch technology for smooth writing and presentations. Additionally, it supports up to 40 touch points. Therefore, it improves teamwork, teaching, and interactive learning experiences. The BenQ RE7504FV delivers 3840 × 2160 resolution with 450 nits brightness and anti-glare protection for clear visibility in bright environments. Moreover, it uses 9H tempered glass for durability and safer daily use. It also includes low blue light and flicker-free technology to reduce eye strain. In addition, it runs Android 14 (EDLA) with strong memory and storage options for smooth performance. Furthermore, it provides wide connectivity including HDMI 2.0, DisplayPort, USB-A, USB-C with 65W power delivery, VGA, and OPS slot support. As a result, users can easily connect laptops, cameras, and external systems. It also includes an 8-microphone array and dual 20W speakers for clear audio in meetings and lessons. Specifications: 75-inch 4K UHD (3840 × 2160) IPS display Precision IR touch with up to 40 touch points Android 14 (EDLA) with smooth system performance 450 nits brightness with anti-glare 9H tempered glass USB-C 65W, HDMI, OPS slot, mic array, and dual 20W speakers
Genuine-spec US layout (QWERTY) black keyboard replacement for MacBook Air 13.6″ and 15″ models (2023–2025, M2/M3/M4 chips)—featuring Apple’s Magic Keyboard with scissor-switch mechanism, backlighting, and precise OEM fit. Compatible With: 13.6″ MacBook Air: A2681 (M2, 2022–2023), A3113 (M3, 2023–2024), A3240 (M4, 2024–2025) 15″ MacBook Air: A2941 (M2, 2023), A3114 (M3, 2023–2024), A3241 (M4, 2024–2025) 13.6″ MacBook Air: A2681 (M2, 2022–2023), A3113 (M3, 2023–2024), A3240 (M4, 2024–2025) 15″ MacBook Air: A2941 (M2, 2023), A3114 (M3, 2023–2024), A3241 (M4, 2024–2025) Keyboard Layout: Standard US English (QWERTY) with wide Enter key, dedicated left/right arrow keys in inverted-T layout, and full function row—matches Apple’s original US configuration. Design: Apple’s Magic Keyboard with scissor-switch mechanism—providing quiet, stable, and responsive typing with 1mm key travel and enhanced durability. Features: Integrated backlighting for low-light use, ambient light sensor compatibility, and OEM-style flex cable for direct logic board connection. Color: Sleek black keycaps—ideal for Space Gray and Midnight finishes, and visually consistent across all color variants. Precision Fit: Engineered to exact Apple specifications for alignment, key spacing, and mounting—ensures seamless integration into the original top case. Installation Note: The keyboard is factory-glued into the top case. Replacement requires full disassembly, careful removal, and professional-grade re-adhesion. Recommended for experienced technicians only.
Arabic Language Ultra Thin Silicone Keyboard Cover for 2021 2020 MacBook Air 13 Inch A2179 and A2337 Apple M1 Chip (US Layout) with Touch ID Keyboard Accessories Protective Skin (Black) Color Black-Arabic Compatible Devices 2021 2020 MacBook Air 13.3-Inch with Apple M1 Chip (model: A2337), 2020 MacBook Air 13.3-Inch (model: A2179)2021 2020 MacBook Air 13.3-Inch with Apple M1 Chip (model: A2337), 2020 MacBook Air 13.3-Inch (model: A2179) Material Silicone Special Feature Waterproof, Dust Proof About this item [√] COMPATIBLE WITH: ONLY U.S keyboard layout–MacBook Air 13″ with Touch ID Early 2020 (model: A2179) and 2021 2020 MacBook Air 13″ with Apple M1 Chip (model: A2337). [√] MORE PROTECTION for KEYBOARD: waterproof, dust-proof and dirt-proof design can prevent liquid, dust, cigarette ash, biscuit crumbs falling onto your keyboard to affect your keyboard’s life. [√] ACCURATE KEYS: every key is specially molded, manufactured to the quality available. Flexible, this cover is easy to apply and remove for cleaning or disinfecting. [√] 0.25 MM THICKNESS: ultra thin silicone keyboard cover skin, made it easier for typing. Soft keyboard protector can weaken the sound in typing. About this item [√] COMPATIBLE WITH: ONLY U.S keyboard layout–MacBook Air 13″ with Touch ID Early 2020 (model: A2179) and 2021 2020 MacBook Air 13″ with Apple M1 Chip (model: A2337). [√] MORE PROTECTION for KEYBOARD: waterproof, dust-proof and dirt-proof design can prevent liquid, dust, cigarette ash, biscuit crumbs falling onto your keyboard to affect your keyboard’s life. [√] ACCURATE KEYS: every key is specially molded, manufactured to the quality available. Flexible, this cover is easy to apply and remove for cleaning or disinfecting. [√] 0.25 MM THICKNESS: ultra thin silicone keyboard cover skin, made it easier for typing. Soft keyboard protector can weaken the sound in typing.
Genuine-spec touchpad flex cable for MacBook Pro 13″ with Touch Bar (Model A1708, 2016–2017)—restores full Force Touch functionality, haptic feedback, and precise multi-touch gesture control during trackpad repair or replacement. Compatible With: MacBook Pro 13″ (2016) – Model A1708 (Model Identifier: MacBookPro13,1) MacBook Pro 13″ (2017) – Model A1708 (Model Identifier: MacBookPro14,1) (Both years share the same internal trackpad assembly and flex cable.) MacBook Pro 13″ (2016) – Model A1708 (Model Identifier: MacBookPro13,1) MacBook Pro 13″ (2017) – Model A1708 (Model Identifier: MacBookPro14,1) (Both years share the same internal trackpad assembly and flex cable.) Part Type: Touchpad flex cable only — does not include the trackpad housing, Taptic Engine, or mounting hardware. This is the OEM-style ribbon cable that connects the trackpad to the logic board. Function: Transmits: Touch input coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support: Force Click, three-finger lookup, swipe navigation, pinch-to-zoom, and smooth cursor tracking. Touch input coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support: Force Click, three-finger lookup, swipe navigation, pinch-to-zoom, and smooth cursor tracking. OEM-Quality Build: Matches Apple’s original specifications in: Cable length and routing path Connector pitch and ZIF latch design EMI shielding and flex durability Cable length and routing path Connector pitch and ZIF latch design EMI shielding and flex durability Common Use Cases: Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Installation Note: Requires full bottom case removal and battery disconnection. Cable routes under internal components near the right speaker and logic board. Connects via a ZIF (Zero Insertion Force) socket—must be aligned carefully and latched gently. Recommended for experienced or certified technicians only. Requires full bottom case removal and battery disconnection. Cable routes under internal components near the right speaker and logic board. Connects via a ZIF (Zero Insertion Force) socket—must be aligned carefully and latched gently. Recommended for experienced or certified technicians only.
MacBook Air 13″ Retina A1932(2018-2019-2020) Display Assembly (Silver) MacBook Air 13″ Retina Display 2019 A1932 (EMC 3184 MacBookAir8,2) 1.6 GHz MacBook Air 13″ Retina Display 2020 A2179 (EMC 3302 MacBookAir9,1) 1.1 GHz Core i3 A2179 (EMC 3302 MacBookAir9,1) 1.1 GHz Core i5 A2179 (EMC 3302 MacBookAir9,1) 1.2 GHz Core i7 MacBook Air 13” Retina Display Late 2018 A1932 (EMC 3184 MacBookAir8,1) 1.6 GHz
The Lenovo 65W USB-C Adapter (20V 3.25A) provides fast and reliable charging for Lenovo laptops and USB-C devices. Compact, durable, and ideal as a replacement or travel charger. ⚡ 65W Fast Charging: Delivers 20V 3.25A output for efficient laptop charging. 🔌 USB-C Connector: Compatible with USB-C powered Lenovo laptops and devices. 👜 Compact & Travel-Friendly: Lightweight design ideal for office, home, or travel use. 🔒 Built-In Protection: Over-voltage, over-current, and short-circuit protection for safe charging. 🧩 OEM-Compatible: Works with many Lenovo ThinkPad, ThinkBook, and IdeaPad models. 🛠️ Durable Build: High-quality cable and adapter construction for long-term use.
The MSI PRO MP275Q 27″ 100Hz Business Monitor is built for productivity, comfort, and performance in both work and study environments. With a 27-inch QHD display, it delivers sharper images and more screen space compared to standard Full HD monitors. Moreover, the thin bezels create a modern look and allow for seamless multi-monitor setups. Because eye health is important, this monitor includes TÜV-certified low blue light and flicker-free technology. As a result, it reduces strain during long working hours. In addition, the ergonomic tilt adjustment ensures a comfortable viewing position throughout the day. The MSI PRO MP275Q 27″ 100Hz Business Monitor provides smooth visuals with its 100Hz refresh rate. Furthermore, AMD FreeSync support minimizes screen tearing, making video playback and light gaming more fluid. Therefore, it suits professionals who want a monitor that balances work efficiency with entertainment. Connectivity is flexible with HDMI and DisplayPort options, allowing easy connection to PCs, laptops, and other devices. Besides that, its built-in speakers deliver clear audio, reducing the need for external accessories. Not only does it excel in performance, but it is also VESA mount compatible, giving you more setup flexibility. In short, the MSI PRO MP275Q 27″ 100Hz Business Monitor combines visual clarity, smooth performance, and practical features, making it an excellent choice for offices and home setups alike. Specifications: Display : 27″ IPS Screen : FHD (2560×1440) Refresh Rate : 100Hz Response Rate : 1ms (MPRT) / 4ms (GtG)
TP-Link 8 Port Gigabit Ethernet Network Switch | Plug and Play | Desktop or Wall-Mount | Plastic Case Ethernet Splitter | Fanless | Traffic Optimization | Unmanaged (TL-SG1008D),Black About this item PLUG-AND-PLAY – Easy setup with no configuration or no software needed ETHERNET SPLITTER – Connectivity to your router or modem router for additional wired connections (laptop, gaming console, printer, etc) 8 Ports GIGABIT ETHERNET – 8 10/100/1000 Mbps Gigabit auto-negotiation RJ45 ports greatly expand network capacity COST EFFECTIVE – Fanless Quiet Design, Desktop design RELIABLE – IEEE 802.3x flow control provides reliable data transfer UP to 80% Power Saving – Automatically adjusts power consumption according to the link status and cable length AUTO-NEGOTIATION – Supports Auto-MDI/MDIX, eliminating the need for crossover cables
The SHL-R320 is a high-speed, dual-protocol M.2 SSD external enclosure featuring a durable aluminum casing for excellent heat dissipation. Supporting both NVMe and SATA protocols, it provides an easy, pocket-sized solution to convert internal solid-state drives into ultra-fast portable storage. ✅ Full Specifications: Model: M.2 SSD Hard Drive Enclosure Case (SHL-R320) Interface: USB 3.1 Gen 2 Type-C (Backward compatible with USB 3.0 / USB 2.0) Protocol Support: Dual Protocol — Supports both NVMe PCIe (M-Key / B+M Key) and NGFF SATA (B+M Key) Transmission Speed: NVMe: Up to 10Gbps SATA/NGFF: Up to 6Gbps Transmission Speed: NVMe: Up to 10Gbps SATA/NGFF: Up to 6Gbps Drive Size Compatibility: Supports M.2 SSD sizes 2230 / 2242 / 2260 / 2280 Capacity Support: Supports up to 2TB (and higher depending on drive configurations) Material: Premium Aluminum Alloy shell for enhanced durability and thermal cooling Design: Slim, compact, and lightweight pocket-sized form factor Features: Tool-free/screw installation layout (varies by kit variation) and built-in UASP protocol support for accelerated transmission. Compatibility: Windows 11 / 10 / 7, macOS / iOS, Linux, Android (with OTG support), and Smart TVs Dimensions: Approx. 119 x 38 x 13 mm
The Samsung 65″ QLED Q7F 4K Vision AI Smart TV QA65Q7FAAUXTW delivers a premium viewing experience with advanced QLED display technology. It produces bright, sharp, and colorful images, so movies, sports, and games look clear and immersive on the 65-inch screen. QLED technology uses Quantum Dot enhancement to improve brightness and color accuracy. As a result, visuals appear more vivid and balanced across both dark and bright scenes. This helps maintain consistent picture quality in different lighting conditions and content types. Samsung Vision AI enhances picture and sound in real time. It analyzes each scene and automatically adjusts brightness, sharpness, and color for optimal results. Therefore, the TV consistently delivers improved visuals without manual tuning. In addition, AI upscaling improves lower-resolution content closer to 4K quality for better clarity and detail. HDR support expands contrast and color depth, making visuals more dynamic and lifelike. Fast motion handling also improves clarity, which enhances sports and action content by reducing blur and improving smoothness. The Smart TV platform provides easy access to streaming apps, gaming features, and smart home controls. It runs smoothly and allows quick switching between applications. In addition, the slim design with thin bezels gives the Samsung 65 QLED 4K Smart TV QA65Q7FAAUXTW a modern and premium appearance suitable for any living space. Overall, this Samsung QLED TV combines strong brightness performance, AI optimization, and smart connectivity for a powerful home entertainment experience. Specifications: QLED technology delivers bright, sharp, and colorful visuals 65-inch 4K display provides immersive viewing experience Vision AI enhances picture and sound automatically in real time HDR improves contrast, brightness, and color depth Smart TV platform supports apps, streaming, and smart features
Samsung Smart Monitor M8 M80F 32″ features a 4K (3,840 × 2,160) display with vivid visuals and high detail. Additionally, the VA panel offers wide viewing angles and consistent color across the screen. This monitor blends productivity and entertainment in a single screen. Moreover, the smart functions include apps, voice interaction, and built‑in smart services without needing a PC. With Tizen OS, users can stream content, control smart devices, and access multitasking features. The SlimFit camera enhances video calls without extra hardware. Furthermore, smart AI picture and voice tools adjust visuals and audio for comfort and clarity. The USB‑C port supports video and up to 65 W power delivery for connected devices. The ergonomic stand lets users adjust height, tilt, and pivot for proper viewing. Finally, Adaptive Sound Pro speakers deliver audio directly from the monitor. Eye Saver Mode and Flicker Free tech help reduce eye strain during long use. This monitor also supports wireless display connection and smart home control via SmartThings. Specifications: 32″ 4K UHD (3,840 × 2,160) display with wide viewing angles and consistent color Built‑in smart features with Tizen OS for streaming and apps without a PC SlimFit camera for video calls USB‑C video with 65 W power delivery and multiple connectivity options Adaptive Sound Pro speakers with Eye Saver Mode and Flicker Free technology
MacBook Pro 15″ Top case A1990 2018 2019 MacBook Pro 15″ A1990 MacBookPro15,1 Mid 2018: MR932LL/A or MR962LL/A (2.2 GHz Core i7) MacBookPro15,1 Mid 2018: MR942LL/A or MR972LL/A (2.6 GHz Core i7) MacBookPro15,3 Mid 2018: BTO/CTO (2.6 GHz Core i7) MacBookPro15,3 Mid 2018: BTO/CTO (2.9 GHz Core i9)
The Darkflash G24E 24″ 75Hz FHD Monitor offers an immersive viewing experience with its stunning 24-inch display. Whether you’re gaming, working, or watching movies, this monitor delivers vibrant and clear visuals. With its Full HD resolution, the Darkflash G24E ensures sharp and detailed images, bringing your content to life. The 75Hz refresh rate provides smoother motion and reduces screen tearing, enhancing your overall viewing experience. Setting up the Darkflash G24E 24″ Monitor is simple and hassle-free. It comes with multiple connectivity options, including HDMI and VGA ports, allowing you to connect to various devices effortlessly. Experience fast response times with the Darkflash G24E, which reduces lag and ghosting during fast-paced games or action-packed movies. This monitor is perfect for gamers who demand quick and precise visuals. The sleek and modern design of the Darkflash G24E 24″ 75Hz FHD Monitor complements any workspace or gaming setup. Its slim bezels provide a more immersive experience and allow for seamless multi-monitor setups. Eye strain is minimized with the Darkflash G24E’s flicker-free technology and blue light filter, making it comfortable for extended use. Enjoy your screen time without worrying about eye fatigue. In conclusion, the Darkflash G24E 24″ 75Hz FHD Monitor combines impressive visuals, fast response times, and ergonomic design. Upgrade your monitor today for an enhanced and comfortable viewing experience. Enjoy smooth gameplay, vivid colors, and reduced eye strain with the Darkflash G24E. Specifications: Display : 23.8″ FHD LED Refresh Rate : 75Hz
The Stylus Pen is an active capacitive stylus pen designed for smooth and precise writing on all capacitive touchscreens. Featuring a superfine copper nib, palm rejection, and rechargeable battery, it’s perfect for note-taking, drawing, and everyday touchscreen use with iPads, iPhones, tablets, and smartphones. The Superfine Nib Active Capacitive Stylus Pen (Silver) is built for users who want accurate and smooth writing on touchscreens without needing Bluetooth or an app. Its superfine elastic copper tip provides delicate strokes while helping protect your screen from scratches. With palm rejection support, rechargeable battery, and one-click operation, it’s ideal for students, professionals, and creators using iPads, iPhones, and other capacitive touchscreen devices. Superfine Copper Nib for smooth writing and accurate strokes Palm Rejection Technology for comfortable writing experience No Bluetooth / No App Required – one-click operation Rechargeable Battery with up to 10 hours working time Magnetic Cap Design prevents loss and keeps the pen protected Compatible with iOS & All Capacitive Touchscreens Lightweight & Portable ideal for travel, school, and office use Compatible with all capacitive touchscreen devices, including iPad Pro, iPad Mini, iPad Air, and iPhones (11 series and earlier generations), plus most Android tablets and touchscreen phones.
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
Are you in the market for a gaming monitor that delivers top-notch performance without breaking the bank? Look no further than the MSI Optix MAG272CQR. In this comprehensive review, we’ll explore the features that make this monitor stand out. To start with, the MSI Optix MAG272CQR boasts a stunning 27-inch curved display, providing an immersive gaming experience. The curvature enhances your field of view, pulling you deeper into the game. Equipped with a 2560 x 1440 Quad HD resolution, this monitor delivers crisp and detailed visuals. Dive into your favorite games with clarity and precision, experiencing every detail as the developers intended. The 165Hz refresh rate ensures buttery-smooth gameplay, reducing motion blur for a competitive edge. Combined with a 1ms response time, the MSI Optix MAG272CQR is a stellar choice for fast-paced gaming scenarios. Adaptive Sync technology minimizes screen tearing and stuttering, creating a seamless and enjoyable gaming experience. Whether you’re into FPS, RPG, or MOBA games, this monitor adapts to your playstyle. Connectivity is a breeze with multiple ports, including HDMI and DisplayPort, providing versatility for various devices. The adjustable stand allows you to find the perfect viewing angle, ensuring comfort during those marathon gaming sessions. In summary, the MSI Optix MAG272CQR is a gaming monitor that ticks all the boxes – immersive display, high resolution, fast refresh rate, and adaptive sync technology. Elevate your gaming experience without breaking the bank. Make the smart choice with the MSI Optix MAG272CQR. Specifications: Size : 27″ Curve : 1500R Refresh Rate : 165Hz Response Time : 1ms
