Display Panel Size (inch) : 27 Aspect Ratio : 16:9 Display Viewing Area (H x V) : 597.888 x 336.312 mm Display Surface : Non-Glare Backlight Type : LED Panel Type : IPS Viewing Angle (CR≧10, H/V) : 178°/ 178° Pixel Pitch : 0.311mm Resolution : 1920×1080 Color Space (sRGB) : 100% Brightness (Typ.) : 250cd/㎡ Contrast Ratio (Typ.) : 1000:1 ASUS Smart Contrast Ratio (ASCR) : 100000000:1 Display Colors : 16.7M Response Time : 1ms MPRT Refresh Rate (Max) : 144Hz Flicker-free : Yes Video Feature Trace Free Technology : Yes GameVisual : Yes Color Temp. Selection : Yes(4 modes) GamePlus : Yes HDCP : Yes VRR Technology : FreeSync™ Premium GameFast Input technology : Yes Shadow Boost : Yes Low Blue Light : Yes Audio Feature Speaker : Yes(2Wx2) I/O Ports DisplayPort 1.2 x 1 HDMI(v1.4) x 2 Earphone Jack : Yes Signal Frequency Digital Signal Frequency : HDMI: 30~160 KHz (H) / 48~ 144 Hz (V) DisplayPort: 30~160 KHz (H) / 48~144 Hz (V) Power Consumption Power Consumption : <18W* Power Saving Mode : <0.5W Power Off Mode : <0.3W Voltage : 100-240V, 50/60Hz Mechanical Design Tilt : Yes (+22° ~ -5°) VESA Wall Mounting : 75x75mm Kensington Lock : Yes Dimensions (Esti.) Phys. Dimension with Stand (W x H x D) : 612.6x431x213 mm Phys. Dimension without Stand (W x H x D) : 612.6 x 362.5 x 37.7 mm Box Dimension (W x H x D) : 692 x 499 x 183 mm Weight (Esti.) Net Weight with Stand : 3.9 Kg Net Weight without Stand : 3.5 Kg Gross Weight : 6.1 Kg Accessories (vary by regions) DisplayPort cable HDMI cable Power adapter Power cord Quick start guide Warranty Card 90LM05S1-B01E70 manufacturer link
The Apildella 14″ Triple Laptop Screen Extender gives your laptop three screens for better productivity. It allows you to work faster and more comfortably. The extender adds two extra displays around your laptop screen. This creates a wider workspace for all your tasks. Moreover, the Apildella Triple Laptop Screen Extender offers clear and bright visuals. Each screen delivers sharp quality for work, gaming, and media. The colors stay consistent across all panels. This helps you focus on your tasks with ease. In addition, the screens connect through simple USB-C or HDMI. The setup process is quick, and you can start using it instantly. There is no need for heavy software. This makes the extender ideal for travel and office use. Furthermore, the Apildella 14″ Triple Laptop Screen Extender works with many laptops. It supports Windows, macOS, and some mobile devices. This wide compatibility makes it useful for students, creators, and professionals. It helps you multitask with less stress. Also, the extender features a foldable and lightweight design. You can pack it in your laptop bag easily. It fits well in small workspaces. This makes it great for remote work and travel. The Apildella Triple Laptop Screen Extender also allows adjustable viewing angles. You can tilt the screens to get a comfortable view. This helps reduce eye strain during long hours of use. It improves your overall productivity. Overall, the Apildella 14″ Triple Laptop Screen Extender gives you more space, better multitasking, and stronger efficiency. It upgrades your laptop into a full workstation instantly. It is perfect for work, study, design, and streaming anywhere you go. Specifications: Display : 14″ Resolution : FHD 1920×1080 Refresh Rate : 60Hz Compatible with 13″ to 17″ laptops, windows/mac
WiWU S500 Foldable Lightweight Plastic Laptop Stand Description WiWU S500 Foldable Lightweight Plastic Laptop Stand Brand: wiwu Material: ABS+Aluminum alloy Foldable Height Adjustment. Laptop stand with foldable technology, light weight, easy to carry Adjustable from 20 to 40 degrees and height adjustable from 3.15 to 5.12 inches. There are 6 corners Compatible with laptops (11 inch-15 inch) Macbook, iMac, ipad, Microsoft Surface PR, Thinkpad, Lenovo, Dell, HP and more. With anti-slip rubber pad
Used, original 35 W USB-C charger for Mac — reliable Apple power adapter (dual USB-C) for charging your Mac and other devices. This is an authentic Apple 35 W USB-C power adapter (dual-port) — used but tested. It’s built to charge MacBooks, iPhones, iPads, and other USB-C devices. Though lower wattage than larger Mac adapters, it works well for light use or supplemental charging. Features & Behavior Dual USB-C ports: can charge two devices simultaneously Intelligent power distribution: if both ports are used, the output splits evenly (~17.5 W each) USB Power Delivery support across standard profiles (5V, 9V, 15V, 20V) Accepts input 100-240V AC, so usable worldwide (with correct plug) Compact form factor in one variant, or standard “duckhead” plug style in another Specifications Strengths & Limitations Pros Authentic Apple unit — safer and more reliable than generic chargers Dual ports give flexibility — charge phone + Mac concurrently Portable and suitable for travel (universal voltage) Cons 35 W is low for MacBook Pro under load — might not maintain charging during heavy use When both ports used, power is halved (~17.5 W each) Used condition may include wear, scuffs, or reduced efficiency
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)
HP M24fwa Monitor Overview The HP M24fwa is a 24-inch Full HD monitor designed for modern workspaces. It combines a slim design with clear visuals. As a result, it suits offices, home use, and study setups. 24-Inch Full HD Display This monitor features a 24-inch Full HD resolution. Therefore, text appears sharp and easy to read. Moreover, images look clear and vibrant. Because of this, it supports long working and browsing sessions. In addition, wide viewing angles keep content visible from different positions. As a result, collaboration becomes easier. Smooth and Comfortable Viewing The HP M24fwa delivers smooth performance for daily tasks. As a result, scrolling and multitasking feel natural. Furthermore, the display maintains balanced brightness. This improves overall viewing comfort. Eye Comfort and Anti-Glare Protection This monitor includes eye comfort features. Therefore, it helps reduce eye strain during extended use. In addition, the anti-glare screen limits reflections. As a result, the display stays clear in bright rooms. Connectivity and Easy Setup The HP M24fwa includes HDMI connectivity. As a result, it connects easily to laptops and desktops. Moreover, setup remains quick and simple. Therefore, users can start working immediately. Slim Design and Mounting Support The monitor features a slim and modern design. In addition, it supports VESA mounting. As a result, users can save desk space and create flexible setups. Ideal for Daily Use This monitor focuses on clarity and reliability. Moreover, it suits office work, studying, and media viewing. In conclusion, it offers a practical and stylish display solution. Specifications: Display: 23.8-inch IPS panel with 178-degree ultra-wide viewing angles. Resolution: FHD (1920 X 1080) at 75Hz refresh rate. Visual Quality: 300 nits brightness, 1000:1 contrast ratio, and 99% sRGB color gamut for accurate, vibrant, and consistent colors. Gaming/Performance: AMD Free Sync technology reduces screen tearing and stuttering
The Riotouch 86″ Interactive Panel is designed to transform educational and professional environments with its cutting-edge features and user-friendly interface. This interactive flat panel offers a seamless blend of performance, connectivity, and intuitive design, making it an ideal choice for classrooms and conference rooms. Featuring a 86-inch 4K UHD display (3840 x 2160 resolution), the panel delivers crisp visuals and vibrant colors. Its 4mm anti-glare tempered glass ensures clear visibility from any angle, reducing eye strain during prolonged use. The panel supports up to 40-point multi-touch and 20-point multi-writing capabilities, allowing multiple users to interact simultaneously. This feature fosters collaborative learning and dynamic presentations, enhancing engagement and productivity. Powered by a quad-core Cortex-A55 processor and equipped with 4GB RAM and 32GB storage, the Riotouch panel ensures smooth performance. Its dual operating system support (Android and Windows) provides versatility, accommodating various software applications and user preferences. Connectivity is robust, with multiple ports including HDMI, USB 3.0, USB-C, VGA, and RJ45, facilitating easy integration with other devices. Built-in Wi-Fi and Bluetooth capabilities enable wireless connections, promoting a clutter-free workspace. The panel comes with integrated 2x15W front-facing speakers, delivering clear audio for multimedia presentations. Additionally, it includes a built-in 13MP 4K camera and microphone, supporting high-quality video conferencing and remote collaboration. Designed with user convenience in mind, the Riotouch panel features intuitive front controls for power, volume, and input selection. Its slim aluminum frame and wall-mountable design ensure it fits seamlessly into any environment. In summary, the Riotouch 86″ Interactive Panel combines high-resolution display, multi-touch interactivity, and versatile connectivity, making it a comprehensive solution for modern collaborative spaces. Specifications: Display : 86″ 4K UHD Touch Memory : 4GB Storage : 32GB OS : Android 11
AOC 24B30HM2 23.8-inch 100Hz monitor delivers smooth everyday performance for work, study, and casual gaming. It focuses on stable motion, clear Full HD visuals, and comfortable long-term use. Additionally, it features a 23.8-inch VA panel with Full HD resolution (1920 × 1080). This panel provides strong contrast and sharp image quality, so it improves readability and viewing comfort. Moreover, it supports a 100Hz refresh rate. As a result, it offers smoother motion than standard 60Hz displays, especially during scrolling and light gaming. The monitor includes a 4ms response time. Therefore, it helps reduce motion blur and keeps fast-moving visuals clearer during use. In addition, it uses Adaptive Sync technology. This reduces screen tearing and stuttering, so visuals stay stable across different frame rates. Furthermore, it includes eye comfort features like Flicker-Free technology and Low Blue Light mode. So it helps reduce eye strain during long sessions. AOC 24B30HM2 23.8-inch 100Hz monitor delivers reliable performance, smooth visuals, and essential comfort features for daily use. Specifications: 23.8-inch VA panel with Full HD 1920 × 1080 resolution 100Hz refresh rate for smoother visuals 4ms response time for reduced motion blur Adaptive Sync for tear-free performance Flicker-Free and Low Blue Light eye comfort features
As an E-sports player, your arsenal of devices must be power-packed and rigged up with superior technology. Equipped for competitive gaming, the Lenovo G24-20 takes gaming performance to the next level. A screen size of 23.8-inch, ideal for E-sports, with 3-side NearEdgeless display lets you engage in gaming distraction-free. Your skills and reflexes are backed by the superfast 144 Hz refresh rate, overclock to 165 Hz along with 0.5ms MPRT and AMD FreeSync™ Premium technology – to ensure no target misses due to latency or screen tearing and stuttering. Nothing escapes your eye on the battlefield with In-Plane Switching panel, 99% sRGB colour gamut, and 350 nits brightness that offer minute details and a vivid display performance. What’s more, get more control over your G24-20 monitor with exclusive Lenovo Artery software that lets you tweak display settings to further your game. Delivering an enriching experience, the Lenovo G24-20 gaming monitor significantly reduces lags and slowdowns, enabling ultra-smooth gameplay in every frame. Specifications : Monitor Size 23.8″ Brightness 350 cd/㎡ (typical) Aspect Ratio 16:9 Contrast Ratio 1000:1 Connection Type 2 x HDMI 2.0; 1 x DP 1.2; 1 x Audio Out (3.5 mm) Weight 5.30 Kg Backlight WLED Response Time 0.5 ms (MPRT) / 1 ms (Level 1) / 2 ms (Level 2) / 3 ms (Level 3) / 4 ms (Level 4) / 5 ms (Off mode) Panel Type In-Plane Switching Viewing Angle 178 / 178 degrees Stand Tilt Angle (-5° / 22°), Lift Range (130 mm) EU Energy Rating F Power Requirement 100 – 240 VAC, 47 – 63 Hz Energy Star None Brand Lenovo Packed Weight 7.26 Kg USB Ports None Length 53.9 cm Included Accessory HDMI, DP Built-in Camera No Color Coverage 178° / 178° Color Depth 8-bit Color Support 16.7 Million Eye Caring Yes Gaming Yes Head only Dimentions 52.50 mm x 323.15 mm x 539.75 mm / 2.07″ x 12.72″ x 21.25″ Height-Adjustable Yes Integrated Speaker No Kensington Lock Yes Near Edgeless 3-side Power Consumption 25W Typ, 38W Max, 0.5W Sleep, 0.3W Power Off Software/Driver Yes (Lenovo Artery, Lenovo Display Control Centre) USB Type-C No Weight Head Only 3.30 Kg Weight 7.26 Kg Weight without Package 5.26 Kg Maximum Resolution 1920 x 1080 Brightness 350 cd/m² Height 49.8 cm Depth 23.4 cm EPEAT None 1 Year Warranty manufacturer link
WiWU Waterproof Large Capacity Minimalist Backpack Business Laptop Backpack Bags with Multi-Pockets For digital gadgets Minimalist Style Water-resistant material,Polyester Large Capacity Have Stock Size:15.6 inch
The MSI MPG 341CQPX QD-OLED Gaming Monitor features a 34-inch ultrawide screen with 3440 x 1440 resolution for immersive visuals. Its 1800R curve pulls you into the action and enhances your overall gaming experience. With a 240Hz refresh rate and 0.03ms response time, gameplay stays smooth, fast, and lag-free. Quantum Dot OLED technology brings vivid colors and rich contrast to every frame. This monitor covers 99.3% of the DCI-P3 color space for ultra-accurate color display. It supports HDR with a peak brightness of up to 1000 nits for brighter highlights and deeper blacks. The MSI MPG 341CQPX Gaming Monitor also includes advanced OLED care features to prevent screen burn-in. An anti-reflective coating reduces glare for clearer visuals in bright or dark environments. The fanless cooling system ensures quiet performance thanks to graphene film and a custom heatsink. You get two HDMI 2.1 ports, one DisplayPort 1.4a, and a USB-C port with 98W power delivery. Multiple USB-A and USB-B ports offer great flexibility for all your connected devices. A built-in KVM switch allows you to control multiple systems with one keyboard and mouse. Adjust the monitor’s height, tilt, and swivel to match your ideal viewing angle easily. Its modern and sleek design fits perfectly into any gaming or work setup. The MSI MPG 341CQPX QD-OLED Gaming Monitor delivers a premium, responsive, and immersive experience. It’s an ideal choice for gamers who want high performance and stunning visuals in one display. Specifications: Display : 34.18“ Resolution : 3440 x 1440 (UWQHD) Refresh Rate : 240Hz Response Rate : 0.03ms (GTG) Curvature : 1800R
The Samsung 65″ Neo QLED QN85F 4K Vision AI Smart TV QA65QN85FAUXTW delivers a premium viewing experience with advanced Neo QLED display technology and intelligent AI processing. It produces bright, sharp, and highly detailed images with strong contrast, making movies, sports, and games more immersive on the 65-inch screen. Neo QLED technology uses Quantum Mini LEDs to improve brightness control and contrast accuracy. As a result, dark scenes look deeper while bright scenes remain vivid and balanced. This creates a more realistic picture across all types of content. Vision AI enhances both picture and sound in real time. It analyzes each scene and automatically adjusts brightness, sharpness, and color for optimal output. Therefore, the TV consistently delivers improved visuals without manual settings. In addition, AI upscaling improves lower-resolution content closer to 4K quality. HDR support expands brightness range and color depth, making visuals more dynamic and lifelike. Fast motion handling also improves clarity, which enhances sports and action viewing. The Smart TV platform provides easy access to streaming apps, gaming features, and smart home controls. It runs smoothly and responds quickly between apps. In addition, the slim design with thin bezels gives the TV a modern and premium look. Overall, this Samsung Neo QLED TV combines strong brightness performance, AI optimization, and smart connectivity for a powerful entertainment experience. Specifications: Neo QLED technology delivers bright, sharp, and detailed visuals 65-inch 4K display provides immersive viewing experience Vision AI optimizes picture and sound automatically in real time HDR improves contrast, brightness, and color depth Smart TV platform supports apps, streaming, and smart features
Genuine-spec touchpad flex cable for MacBook Pro 16″ (Model A2141, 2019, Intel)—essential for restoring full Force Touch functionality, haptic feedback, and precise multi-touch gesture control during trackpad repair or replacement. Compatible With: MacBook Pro 16-inch (2019, Model A2141) with Intel Core i7/i9 processors (Model Identifier: MacBookPro16,1) (Note: A2141 is the non-base configuration of the 2019 16″ MacBook Pro—typically higher-end Intel models.) 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 coordinates, Force Touch pressure data, and haptic feedback signals—critical for macOS gestures (e.g., Force Click, three-finger lookup, pinch-to-zoom) and Taptic Engine responsiveness. OEM-Quality Construction: Replicated to Apple’s exact specifications—including cable length, connector pitch, EMI shielding, and bend radius—ensuring reliable signal integrity and long-term 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 disassembly of the bottom case, speaker removal, and careful routing beneath the battery and logic board. Connectors use ZIF (Zero Insertion Force) sockets—must be aligned and latched gently. Recommended for certified or professional repair technicians only. Important: This is flex cable only—not a complete trackpad assembly. Must be used with the original or compatible A2141 trackpad and Taptic Engine. Not compatible with M1 MacBook Pro 16″ (A2485), 14″ models (A2442), or any MacBook Air. This is flex cable only—not a complete trackpad assembly. Must be used with the original or compatible A2141 trackpad and Taptic Engine. Not compatible with M1 MacBook Pro 16″ (A2485), 14″ models (A2442), or any MacBook Air. Model Verification: Confirm your device is MacBook Pro A2141 (16″, 2019, Intel) via > About This Mac > Model Identifier (should read MacBookPro16,1).
Digital Device Laptop Keyboard Compatible for MacBook AIR 13″ A1369 A1466 (MID 2011- MID 2017) US Layout 【Unique】Pls see detail compatible models in description below. 【Safe】Easy for you replace your faulty, cracked or broken keyboard ,seller remind that you should replace the keyboard in the off state. All pictures are taken from the real item, please check carefully before bidding, Replacement and high quality, Replace your faulty, cracked or broken keyboard. Each keyboard is tested before shipping Compatibility: MacBook Air 13″ A1369 Mid 2011: MC965LL/A (1.7 GHz Core i5) Mid 2011: MC966LL/A (1.7 GHz Core i5) Mid 2011: MD226LL/A (1.8 GHz Core i7) Compatibility: MacBook Air 13″ A1466 Mid 2012: MD231LL/A (1.8 GHz Core i5) Mid 2012: MD232LL/A (1.8 GHz Core i5) Mid 2012: MD232LL/A (2.0 GHz Core i7) Mid 2013: MD760LL/A (1.3 GHz Core i5) Mid 2013: MD761LL/A (1.3 GHz Core i5) Mid 2013: MD761LL/A (1.7 GHz Core i7) Early 2014: MD760LL/B (1.4 GHz Core i5) Early 2014: MD761LL/B (1.4 GHz Core i5) Early 2014: MD761LL/B (1.7 GHz Core i7) Compatibility: Early 2015: MJVE2LL/A (1.6 GHz Core i5 or 2.2 GHz Core i7) Early 2015: MJVG2LL/A (1.6 GHz Core i5 or 2.2 GHz Core i7) Identifying Numbers APN #: 661-6059, 661-6635, 661-7480
A dependable pre-owned Lenovo ThinkPad E560 with a spacious 15.6" display, 6th Gen Core i5 processor, 8GB RAM, and a roomy 1TB hard drive—ideal for office work, school, and everyday computing at great value.
Asus TUF Gaming VG249Q3A 24″ FHD 180Hz Gaming Monitor is a 23.8-inch Fast IPS display built for competitive and smooth gaming. It delivers Full HD resolution with a high refresh rate for responsive gameplay. It also focuses on fast motion clarity and stable visual performance for everyday gaming use. The monitor supports 180Hz refresh rate and 1ms GTG response time for reduced motion blur. It uses Fast IPS technology for wide viewing angles and consistent color performance. It includes AMD FreeSync Premium for smoother gameplay without screen tearing. It also features ASUS Extreme Low Motion Blur (ELMB) to improve clarity in fast scenes. Additionally, it offers 99% sRGB color coverage for accurate color reproduction. It is designed for esports titles, FPS games, and fast-paced competitive environments. Therefore, it helps reduce lag perception and improves visual responsiveness. It also includes features like Shadow Boost to improve visibility in dark areas. In conclusion, Asus TUF Gaming VG249Q3A 24″ FHD 180Hz Gaming Monitor delivers high refresh performance, fast response time, and reliable gaming-focused visual enhancement. Specifications: 23.8-inch Full HD (1920×1080) Fast IPS panel 180Hz refresh rate for smooth competitive gaming 1ms GTG response time for reduced motion blur AMD FreeSync Premium for tear-free gameplay 99% sRGB color gamut for accurate color reproduction
The Lenovo Legion 27‑10 27″ Gaming Monitor delivers smooth competitive gaming and crisp visuals in a versatile display. First, it features a 27″ Full HD (1920×1080) IPS panel that offers sharp detail and balanced color for all your content. In addition, the ultra‑fast 240 Hz refresh rate and 0.5 ms response deliver fluid gameplay and reduce motion blur in fast‑paced titles. Adaptive sync compatibility helps reduce tearing, so your experience stays uninterrupted. Moreover, the brightness and HDR10 support keep images vibrant and engaging in varied lighting conditions. Furthermore, the ergonomic stand adjusts for tilt, height, swivel, and pivot, so you can find a comfortable setup for long sessions. In addition, the slim bezels and sleek black design add a modern look to any desk. Finally, multiple HDMI 2.1 and DisplayPort 1.4 inputs ensure easy connection to PCs and consoles. With the Lenovo Legion 27‑10, you get a gamer‑ready monitor that blends high refresh performance, clarity, and ergonomic flexibility at an accessible level. Specifications: 27″ Full HD (1920×1080) IPS display for sharp, balanced visuals Ultra‑fast 240 Hz refresh rate and 0.5 ms response for fluid gaming Adaptive sync support reduces tearing and stutter Adjustable ergonomic stand with tilt, swivel, height, and pivot Multiple HDMI 2.1 and DisplayPort 1.4 inputs for versatile connectivity
Brand Microsoft Connectivity Technology USB Connector Type USB Compatible Devices Laptops Compatible Phone Models Microsoft Special Feature Travel Mounting Type Wall Mount Total USB Ports 1 Wattage 65 watts Microsoft Surface Power Supply 65W and Power Adapter Non Retail Packaging
Used OEM Original Apple Logic Board Working, A1706 Late 2016 Mode 3.3 GHz i7 256gb 16gb RAM Tested using latest industry hardware diagnostic software, Fresh pull from full unit.
Introducing the ViewSonic VP2786-4K 27 4K ColorPro Monitor—a display that redefines visual excellence with its advanced features. To embark on a visual journey, this monitor boasts an impressive 4K resolution. Dive into crisp and detailed images, whether you’re editing high-resolution photos, creating content, or simply enjoying multimedia. Beneath its sleek exterior lies unparalleled color accuracy. The VP2786-4K ensures that every hue is reproduced with precision, making it an ideal choice for graphic designers, photographers, and content creators who demand perfection in color representation. Explore ergonomic design as the monitor offers customizable adjustments. Tilt, swivel, and pivot the display to your preferred viewing angle, ensuring comfort during extended work sessions. Connectivity is key, and this monitor provides a range of ports for seamless integration with various devices. Whether you’re using it as a primary display or expanding your workspace, the VP2786-4K adapts to your needs. In conclusion, immerse yourself in visual brilliance with the ViewSonic VP2786-4K 27 4K ColorPro Monitor. Experience 4K resolution, color accuracy, and ergonomic design. Choose the VP2786-4K for a display that elevates your visual experience to new heights. Specifications : Display : 27″ UHD, IPS ( 3840 x 2160) Refresh Rate : 60Hz Response Time : 5ms
