Kingston DataTraveler Exodia (DTX) – Reliable, high-speed flash drive featuring a practical, protective cap design. Delivers USB 3.2 Gen 1 performance for quick and effortless file transfers, ideal for everyday use at work, home, or school. ✅ Full Specifications: Model: Kingston DataTraveler Exodia (DTX/64GB) Interface: USB 3.2 Gen 1 (Backward compatible with USB 3.0 and USB 2.0) Read Speed: Standard USB 3.2 Gen 1 transfer speeds Capacity Options: 64GB / 128GB / 256GB. Material: Durable matte plastic casing Design: Lightweight with a protective cap and a large, color-coded keyring loop (Teal for 64GB) Security/Software: Plug-and-play functionality (No software installation required) Compatibility: Windows 11, 10, macOS (v.10.15.x+), Linux (v. 4.4+), Chrome OS Dimensions: Approx. 67.3 x 21.04 x 10.14 mm Weight: Approx. 11 grams
Genuine-spec touchpad flex cable for MacBook Pro 15″ (Model A2941, 2023, Apple M2)—restores full Force Touch functionality, haptic feedback, and precise multi-touch gesture control during trackpad repair or replacement. Compatible With: MacBook Pro 15-inch (2023, Model A2941) with Apple M2 chip (Model Identifier: MacBookPro19,1) 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.
New A1989 A1990 Keyboard US Standard Replacement for MacBook Pro 13'' 15''A1990 A1989 Keyboard 2018/2019 Year New A1989 A1990 Keyboard US Standard Replacement for MacBook Pro 13” 15”A1990 A1989 Keyboard 2018/2019 Year New A1989 A1990 Keyboard US Standard Replacement for MacBook Pro 13” 15”A1990 A1989 Keyboard 2018/2019 Year We have Perfect after-sales services We share the latest information on laptop spare parts For all our customers. This is NOT an easy job for someone who has no technical skills with Disassembling or Assembling a laptop, So only purchase this item if you know how to install it. Each Keyboard is tested before shipping and working.
The ViewSonic 24″ 100Hz IPS Monitor is a high-performance display designed for work, entertainment, and gaming. It features a 24-inch Full HD IPS panel, delivering sharp visuals, vibrant colors, and wide viewing angles. Whether you’re working on creative projects, watching movies, or gaming, the high-quality display ensures a smooth and immersive experience. With a 100Hz refresh rate, this monitor provides ultra-smooth motion, reducing screen tearing and stuttering. The fast refresh rate enhances gaming, making movements appear fluid and responsive. It also improves everyday tasks like scrolling and video playback, providing a better overall visual experience. The IPS panel technology ensures consistent and accurate colors, making it ideal for content creators, designers, and professionals. The 178° wide viewing angles allow clear visibility from different positions, ensuring that images and text remain sharp and distortion-free. Designed with eye comfort in mind, the monitor features flicker-free technology and a blue light filter. These features help reduce eye strain and fatigue, making it comfortable for extended use. Whether you’re working long hours or enjoying a gaming session, this monitor keeps your eyes protected. The sleek and modern design fits seamlessly into any workspace or gaming setup. Its thin bezels provide a more immersive viewing experience, perfect for multi-monitor setups. The monitor includes multiple connectivity options, such as HDMI and DisplayPort, ensuring compatibility with a wide range of devices. With its fast refresh rate, stunning color accuracy, and ergonomic design, the ViewSonic 24″ 100Hz IPS Monitor is a great choice for professionals, gamers, and everyday users. It offers smooth performance, vibrant visuals, and long-term eye comfort in a stylish package. Specifications: Display : 24″ IPS Resolution : 1920×1080 FHD Refresh Rate : 100Hz Response Rate : 1ms
HP 83A Black Toner Cartridge | Works with HP LaserJet Pro M201, HP LaserJet Pro MFP M125, M127, M225 Series | CF283A
The LG UltraFine 27-Inch 4K UHD IPS Monitor | 27U730A is a professional-grade display designed for content creation, office productivity, and multimedia entertainment. It features a 27-inch UHD 4K (3840 × 2160) IPS panel that delivers sharp image quality, wide viewing angles, and detailed visuals for everyday work and creative projects. The monitor supports DCI-P3 90% color gamut and HDR10, helping deliver accurate colors and improved contrast for photo editing, video production, and content consumption. Therefore, it is well suited for users who require reliable color performance. It includes USB Type-C connectivity with up to 90W Power Delivery, allowing a compatible laptop to receive video, data, and charging through a single cable. In addition, the monitor provides HDMI, DisplayPort, and USB ports for flexible device connectivity. The ergonomic stand supports height, tilt, swivel, and pivot adjustments for improved comfort during long working sessions. Moreover, the three-side virtually borderless design helps create a clean and modern workspace. Built-in speakers further simplify desk setups by reducing the need for external audio devices. As a result, the LG UltraFine 27U730A offers a complete solution for productivity and creative workflows. Specifications: 27-inch UHD 4K (3840 × 2160) IPS display DCI-P3 90% color gamut with HDR10 USB-C with 90W Power Delivery Height, tilt, swivel, and pivot adjustments HDMI, DisplayPort, USB hub, and built-in speakers
Looking to take your gaming to the next level? Look no further than the LG 27″ 165Hz UltraGear monitor. This powerhouse display is your ticket to an immersive and smooth gaming experience. First and foremost, let’s talk about speed. With a blazing-fast 165Hz refresh rate, this monitor ensures buttery-smooth gameplay, free from motion blur or screen tearing. Get ready to react quicker and gain a competitive edge in every game. Transitioning to visuals, prepare to be amazed by the stunning clarity and vibrant colors of the UltraGear monitor. With a crisp 27-inch display and high-resolution capabilities, every detail pops off the screen, immersing you in your favorite games like never before. Moreover, the monitor’s advanced IPS panel technology ensures wide viewing angles and consistent color accuracy, so you can enjoy stunning visuals from any angle without distortion. But that’s not all – the UltraGear monitor is also packed with features to enhance your gaming experience. From customizable gaming modes to built-in crosshair overlays, it offers everything you need to optimize your gameplay to your preferences. Additionally, with support for HDR content, you can enjoy breathtaking visuals with enhanced contrast and brightness, bringing your games to life with stunning realism. In conclusion, the LG 27″ 165Hz UltraGear monitor is the ultimate gaming companion for enthusiasts seeking unparalleled performance and immersion. Elevate your gaming setup with this powerhouse display and experience gaming like never before. Specifications: Display : 27″ IPS Resolution : QHD (2560 x 1440) Refresh Rate : 165Hz Response Rate : 1ms GTG
The MSI MAG 272URDF E16 27″ UHD, 160 Hz Flat Rapid IPS, 0.5 ms gaming monitor delivers strong performance and sharp visuals for gamers, creators, and everyday users. It is designed to provide fast refresh rates with crisp 4K resolution for smooth action and detailed images. First, this monitor features a 27-inch Rapid IPS panel with a 3840 × 2160 (UHD) resolution that shows rich detail and vibrant colors. As a result, games and media look clear and immersive. In addition, the MSI MAG 272URDF E16 supports up to 160 Hz refresh rate at 4K for smoother motion and reduced blur compared to standard screens. This high refresh rate helps competitive gameplay feel responsive. The 0.5 ms (GtG) response time helps reduce ghosting and motion blur in fast scenes. Therefore, action appears sharper and more accurate during gaming or videos. This monitor also includes Adaptive-Sync to help eliminate screen tearing with compatible GPUs. So, gameplay and graphics feel more fluid. Moreover, the display supports VESA DisplayHDR 400 for better contrast and dynamic range when HDR content is available. As a result, highlights and shadows look more vivid and realistic. The MSI MAG 272URDF E16 provides wide viewing angles of 178° horizontal and vertical, so colors stay accurate even when viewed from the side. This helps when multiple people watch the screen. For connectivity, it includes 2× HDMI 2.1 and 1× DisplayPort 1.4a, allowing 4K at 160 Hz and support for next-gen consoles and PC graphics cards. Thus, you can switch between devices easily. Also, the monitor offers USB ports and a headphone jack for added convenience. This makes connecting peripherals simple. Compared to standard 60 Hz screens, this MSI model delivers smoother motion, higher refresh rates, and sharper details at 4K. So, both gaming and creative work feel more enjoyable. In conclusion, the MSI MAG 272URDF E16 blends 4K clarity, fast refresh, and quick response for strong overall performance. Overall, it is a great option for gamers, content creators, and anyone who wants a premium 4K gaming display. Specifications: Display: 27″ Rapid IPS, Flat, 16:9 aspect ratio, UHD (3840×2160) Resolution :(3840×2160) UHD Refresh Rate : 160Hz Response Time : Response Time: 0.5ms (GtG) for smooth visuals.
The Lenovo Monitor C22-20 (62A7KAT1EU) is a 21.5-inch Full HD display designed for office and everyday computing use. It delivers a 1920 × 1080 resolution with a compact screen size suitable for small desks and multi-monitor setups. Additionally, its slim design helps maintain a clean workspace. This monitor uses a TN panel with LED backlighting and supports up to 75Hz refresh rate via HDMI. Moreover, it offers a 5ms response time for basic smoothness in general tasks and light multimedia use. The Lenovo C22-20 provides 200 nits brightness and a 600:1 contrast ratio for standard indoor viewing. Therefore, it is best suited for office work, browsing, and document handling rather than gaming or creative color work. It includes HDMI 1.4 and VGA inputs for flexible connectivity with PCs and older systems. Additionally, it supports VESA mounting for wall or arm installation. The Lenovo Monitor C22-20 (62A7KAT1EU) 21.5″ is a practical and energy-efficient display for everyday productivity and business environments. Specifications: 21.5-inch Full HD (1920 × 1080) display TN panel with LED backlighting 75Hz refresh rate (via HDMI) 5ms response time for basic smooth visuals HDMI 1.4 and VGA connectivity support
The LB-LINK AX900 USB WiFi adapter delivers fast and stable wireless connectivity with WiFi 6 technology and speeds up to 900Mbps. Featuring dual-band support (2.4GHz + 5GHz), it’s ideal for upgrading PCs and laptops for smoother streaming, gaming, and online work. The LB-LINK AX900 USB WiFi Adapter is a modern wireless solution designed to upgrade your computer to the latest WiFi 6 (802.11ax) standard. It offers improved speed, better network efficiency, and stronger stability compared to older WiFi adapters. With dual-band support, you can connect to either the 2.4GHz band for long-range stability or the 5GHz band for higher speed and lower latency. Its compact USB design makes it perfect for desktops and laptops needing fast internet without installing internal cards. WiFi 6 (802.11ax) Technology for faster performance and better efficiency AX900 Speed (Up to 900Mbps) for smooth streaming and downloads Dual Band Support: 2.4GHz + 5GHz for flexibility and stability USB Plug & Play easy installation (driver may be required) Low Latency Connection ideal for gaming and video calls Compact Portable Design perfect for laptops and desktops Improves WiFi Performance for weak built-in adapters Ideal for PCs and laptops that need faster WiFi speeds and stronger connectivity. Perfect for online gaming, HD streaming, Zoom/Teams meetings, and stable browsing.
About this item Noise-cancelling microphone reduces room noise for clearer Internet calls Full stereo sound for your music, movies and games Rotating microphone boom can be worn on your left or right side Adjustable headband gives you a customized fit Works with Windows 10 or later, Windows 8, Windows 7, Windows Vista, Mac OS X 10.5 or later, Chrome OS, Linux Kernel 2.6+ and iOS or Android devices
The Cudy WR1300 AC1200 Router delivers fast and stable internet with dual-band WiFi speeds up to 1200Mbps. Designed for home and office use, it features Gigabit ports for high-speed wired connections and reliable coverage for streaming, gaming, and everyday browsing. AC1200 Dual Band WiFi – Combined speeds of up to 1200Mbps (300Mbps on 2.4GHz + 867Mbps on 5GHz) for smooth streaming and online gaming. Gigabit Ethernet Ports – Ultra-fast LAN/WAN ports ensure maximum wired performance for PCs, consoles, and smart TVs. Wide Coverage – Equipped with high-gain antennas to provide strong and stable WiFi signal throughout your home or office. Multiple Operating Modes – Supports Router, Access Point, and Repeater modes for flexible network setup. Easy Setup & Management – Simple web interface for quick installation and control. Secure Connection – Advanced wireless security with WPA/WPA2 encryption to keep your network safe. 1 × Gigabit WAN Port 4 × Gigabit LAN Ports Wi-Fi 2.4GHz & 5GHz Dual Band Ethernet (RJ45) Wireless Security (WPA/WPA2)
LG 24 inch 75Hz FHD IPS Monitor 24MP400-B is designed for everyday work, study, and casual use. It features a 23.8-inch Full HD IPS display with wide viewing angles. Additionally, it supports AMD FreeSync for smoother visuals. Therefore, it delivers stable performance for office tasks and light entertainment. The LG 24MP400-B offers 1920 × 1080 resolution with a 75Hz refresh rate. Moreover, it includes a 5ms response time and 250 nits brightness for clear image quality. It also provides 1000:1 contrast ratio and 178° viewing angles for consistent visuals. In addition, it supports HDMI and VGA inputs for flexible connectivity. Furthermore, it includes Reader Mode, Flicker Safe, Black Stabilizer, and Dynamic Action Sync. As a result, users get better eye comfort and improved visibility in dark scenes. It also supports VESA mounting for space-saving setups and flexible desk arrangements. manufacturer link Specifications: 23.8-inch Full HD (1920 × 1080) IPS display 75Hz refresh rate with AMD FreeSync support 5ms response time with 250 nits brightness HDMI and VGA connectivity options Flicker Safe and Reader Mode for eye comfort
DELL 7.6V 68Wh/8500mAh 4-Cell GJKNX Laptop Battery Compatible with Dell Latitude E5480 E5580 E5490 E5491 E5590 E5591 Precision 15 3520 M3530 Series Notebook 93FTF GD1JP DY9NT 5YHR4 451-BBZG About this item Dell Authentic OEM Parts. Item Model: GJKNX, Battery Type: Li-Polymer, Voltage: 7.6V, Capacity: 68Wh, Cell: 4 cell. Before purchasing, please open the back cover of the laptop to confirm the battery model and shape. Compatible Battery P/N: 68Wh GJKNX GD1JP 0GD1JP DY9NT 0DY9NT 5YHR4 451-BBZG FPT1C KCM82 MT31P. Compatible Laptop Models: for Dell Latitude 5280 5288 5290 5480 5488 5490 5580 5590 5495 5491 5591 5590 E5480 E5580 E5490 E5590 P72G001 P72G002 P72G003 P60F001 series, For Dell Precision 15 3520 3530 Series ( Only work with type 68Wh battery)
WiWU WM108 Wimice Dual‑Mode Mouse – Bluetooth 5.0 and 2.4 GHz wireless mouse with 800/1200/1600 DPI, silent clicks, and ergonomic ABS housing.Long battery life (~6 months standby), USB dongle & silent design—ideal for travel, office, and quiet environments. Model: WiWU Wimice WM108 Connection Modes: Bluetooth 5.0 2.4 GHz wireless via USB dongle Connection Modes: Bluetooth 5.0 2.4 GHz wireless via USB dongle DPI Settings: 800 / 1,200 / 1,600 DPI (adjustable) Buttons: 3 standard buttons + clickable scroll wheel (4 keys total) Range: Up to 10 m wireless connectivity Material/Design: Lightweight (67–130 g, depending on source), ergonomic ABS plastic body, magnetic base or “super magnetic absorption” design Operating Range: ≈10 m Silent Clicks: Quiet operation—silent key action Dimensions: Approx. 108 × 64 × 36 mm Weight: 67 g cited by Star Tech and 130 g by others—likely lighter in official spec Compatibility: Windows, macOS, Linux, Android, etc. Plug-and-play, no driver needed
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
The Samsung Odyssey 3D G90XF 27″ 4K Gaming Monitor delivers stunning visuals and immersive gaming experiences. It features a crisp 27‑inch 4K (3840×2160) display for ultra‑sharp image clarity. Moreover, the Samsung Odyssey 3D G90XF 27″ 4K Gaming Monitor supports high refresh rates for smooth gameplay. It includes advanced 3D features to bring virtual worlds to life. Also, the fast response time reduces motion blur in action scenes. In addition, it offers great color accuracy with HDR support for vibrant visuals. Plus, the monitor blends well with modern gaming setups and sleek decor. Furthermore, its ergonomic stand allows tilt, swivel, and height adjustments for comfort. Therefore, you get personalized viewing angles for long gaming sessions. It also supports NVIDIA G-SYNC or AMD FreeSync to prevent screen tearing. Meanwhile, built‑in speakers deliver basic sound without extra gear. Because of its thin bezels, the monitor creates a seamless multi‑monitor setup. Thus, gamers enjoy immersive edge‑to‑edge visuals without distraction. The Samsung Odyssey 3D G90XF 27″ 4K Gaming Monitor includes multiple HDMI and DisplayPort ports. Also, a USB hub port lets players connect peripherals easily. Moreover, its flicker‑free and low‑blue‑light modes ease eye strain. Then, LED backlighting enhances color uniformity and contrast levels. Also, adaptive sync keeps games smooth even under heavy graphical loads. Furthermore, factory calibration ensures accurate color right out of the box. In addition, the design supports VESA mounting for flexible placement. Therefore it fits on desks or wall mounts neatly. With durable build quality, the monitor stands up to intense everyday use. It stays cool under pressure thanks to efficient thermal design. Finally, the Samsung Odyssey 3D G90XF 27″ 4K Gaming Monitor balances performance, design, and comfort. Overall, it provides next‑level gaming visuals for serious gamers. Specifications: Display : 27″ IPS Resolution : 4K (3,840 x 2,160) Refresh Rate : 165Hz Response Rate : 1ms
A1618 Replacement Battery for MacBook Pro 15 Inch Retina A1398 (Early 2015), Laptop A1494 A1618 Replacement Battery Capacity: 8440mAh/95.03Wh 11.26V, Battery Type: Li-Polymer 【Package include: 1pcs – OEM laptop replacement battery for macbook air 13 inch, 2pcs – screwdrivers, 1pcs – Professional installation instructions】 【Operating life and certification】UL-/CE-/FCC-/RoHS-Certified/PSE Report for safety. Cobalt Proportion: >98%. Upgrade chip — Up to 1500+ recharge cycles over the life of the battery, Long operating time after charging full with 8440mAh real high capacity, same with original battery A1494/A1618 【Premium Electric Core】Japan Newest 4.0 upgraded OEM Battery for macbook pro 15 Inch A1398 (Late 2013, Mid 2014, Early 2015). Better circuit board, multiple command chip control, keep the battery stable charge and discharge.Over charger and discharger (short-circuit) protection, ensure fast charges and low power consumption 【Compatibility】 MacBook pro 15” Retina A1398 (Late 2013, Mid 2014, Early 2015) ME293 ME294 MGXA2 MGXC2 MJLQ2 MJLT2 MJLU2. Please check the picture to get more detail
Firstly the Alienware 25″ 360Hz Gaming Monitor AW2523HF is built for gamers who demand fast and smooth performance. It features a 24.5-inch Fast IPS panel with Full HD resolution for sharp visuals and vivid colors. Furthermore this gaming monitor offers a blazing 360Hz refresh rate via DisplayPort and up to 255Hz via HDMI, making motion incredibly smooth. With a 0.5ms response time, fast-paced games feel crisp and responsive with minimal blur. The display supports 99% sRGB color gamut, ensuring rich and accurate colors. It also has an anti-glare coating and 178° wide viewing angles, so your game looks great from every position. It’s compatible with AMD FreeSync Premium and G-SYNC, giving you a tear-free and fluid gameplay experience on both major GPU brands. Gaming features like Dark Stabilizer, AlienVision modes, and a built-in FPS counter give players extra control and awareness in-game. The monitor’s stand is fully adjustable with options to tilt, swivel, pivot, and adjust height for comfort during long gaming sessions. It also supports VESA mounting for flexible desk setups. For connectivity, the AW2523HF includes two HDMI 2.0 ports, one DisplayPort 1.4, four USB 3.2 Gen 1 downstream ports, a USB upstream port, headphone jack, and audio line-out. These ports make it easy to connect accessories and manage your setup neatly. In short, the Alienware 25″ 360Hz Gaming Monitor AW2523HF is a top-tier gaming monitor with extreme refresh rate, color accuracy, and gamer-friendly features. Specifications: Display : 24.5″ Fast IPS Resolution : 1920×1080 FHD Refresh Rate : 360Hz Response Time : 0.5ms
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
