The Asus VA279HG22 27″ 120Hz Eye Care Gaming Monitor offers smooth visuals and great comfort for your eyes. Its 27-inch Full HD IPS screen displays rich colors and wide viewing angles for any setup. A 120Hz refresh rate delivers fluid motion, perfect for gaming or watching fast-paced videos. The 1ms MPRT response time reduces blur for clearer, sharper images. Adaptive-Sync technology helps remove screen tearing for a seamless gaming experience. You’ll enjoy smoother gameplay with less stuttering or lag. The monitor includes Flicker-Free and Low Blue Light features to reduce eye strain. Even after hours of use, your eyes stay more comfortable. An anti-glare screen improves visibility in bright or sunny environments. It’s ideal for work or play in any room. HDMI and VGA ports offer easy connection to your devices. You also get a headphone jack for private listening. The monitor has a slim, modern, and frameless design for a clean look. It fits into any gaming, work, or study space easily. Tilt adjustment allows you to set the perfect viewing angle. It’s also VESA mount compatible for flexible installation. You can customize settings using ASUS DisplayWidget Center software. Adjust brightness, color, and more with just a few clicks. GamePlus features like crosshair overlays and timers give an edge in competitive gaming. These tools help improve focus and reaction time. The Asus VA279HG22 27″ 120Hz Eye Care Gaming Monitor combines performance and comfort in one stylish display. It’s a great choice for gamers, students, and professionals. Specifications: Display : 27″ IPS Resolution : 1920×1080 Refresh Rate : 120Hz Response Rate : 1ms
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
Meetion Wireless Optical Mouse, Black | R547 DPI switch button Resolution 800/1200/1600dpi 2.4GHz USB Nano receiver included (range-up to 10m)
Lexar NM620 1TB SSD, M.2 2280 PCIe Gen3x4 NVMe 1.4 Internal SSD, Up to 3500MB/s Read, 3000MB/s Write, 3D NAND Flash Internal Solid State Drive for PC Enthusiasts and Gamers (LNM620X001T-RNNNG) About this item High-speed PCIe Gen3x4 interface: Lexar 1TB SSD up to 3500MB/s read and 3000MB/s write – NVMe 1.4 is supported. Lexar Internal SSD M.2 2280 form factor with 3D NAND Lexar Solid state drive maintains 6x the speed of a SATA-based SSD. Lexar SSD is ideal for PC enthusiasts and gamers. Lexar Internal solid state drive is shock and vibration-resistant without moving parts.
The MSI MAG 274QPF X30MV 27″ Gaming Monitor delivers sharp 2K visuals with a 300Hz refresh rate. It ensures ultra-smooth gameplay for competitive gaming. Its IPS panel provides vivid colors and wide viewing angles. This guarantees consistent image quality from multiple positions. The monitor supports Adaptive Sync to reduce screen tearing and stuttering. It enhances fluidity during fast-paced gaming sessions. It also includes ergonomic adjustments for tilt, swivel, and height. Cable management features help maintain a clean and organized setup. With low blue light and anti-flicker technology, it reduces eye strain during long sessions. The MSI MAG 274QPF X30MV 27″ Gaming Monitor is ideal for users seeking high refresh rate, sharp resolution, and fluid performance. Specifications: 27″ 2K IPS panel with vivid colors and wide viewing angles 300Hz refresh rate for ultra-smooth gameplay Adaptive Sync to reduce screen tearing and stuttering Ergonomic adjustments for tilt, swivel, and height Low blue light and anti-flicker technology for eye comfort
HP Series 5 524sa Monitor Overview The HP Series 5 524sa is a 23.8-inch Full HD monitor made for work and everyday entertainment. It combines clear visuals with built-in speakers. As a result, it offers a clean and simple desktop setup. 23.8-Inch Full HD Display This monitor features a 23.8-inch Full HD resolution. Therefore, text looks sharp and easy to read. Moreover, images appear clear and well balanced. Because of this, it supports long working and viewing sessions. In addition, wide viewing angles keep content visible from different positions. As a result, collaboration becomes more comfortable. Built-In Speakers for Simple Audio The HP Series 5 524sa includes integrated speakers. As a result, users enjoy sound without extra accessories. Moreover, this reduces desk clutter. Therefore, the setup stays neat and efficient. Smooth Viewing and Eye Comfort This monitor delivers smooth performance for daily tasks. As a result, scrolling feels natural. In addition, eye comfort features help reduce eye strain. Because of this, users stay comfortable during long hours. Connectivity and Easy Setup The monitor includes HDMI connectivity. Therefore, it connects easily to laptops and desktops. Moreover, setup is fast and straightforward. As a result, users can start working immediately. Slim Design and Mounting Support The slim design fits modern workspaces. In addition, VESA mounting support allows flexible placement. As a result, users can save desk space easily. Ideal for Home and Office Use This monitor focuses on clarity and convenience. Moreover, it suits office work, studying, and media viewing. In conclusion, it is a practical Full HD monitor with built-in speakers. Specifications: Size: 23.8-inch diagonal. Resolution: FHD (1920 x 1080). Refresh Rate: 100 Hz.
A1417 Battery Only for (Mid 2012 & Early 2013) A1398 MacBook Pro - Replacement Battery for A1398 MacBook Pro 15-inch Retina (Mid 2012, Early 2013 Version) - EMC 2512 or 2673 A1417 Battery Only for (Mid 2012 & Early 2013) A1398 MacBook Pro – Replacement Battery for A1398 MacBook Pro 15-inch Retina (Mid 2012, Early 2013 Version) – EMC 2512 or 2673 [11.26V/99Wh] A1417 A1398 Battery — Health:100%+, Voltage: 11.26V, Capacity: 99Wh(Please confirm the release year before purchase the battery) Suit for 15 inch A1398 MacBook Pro Battery Retina Mid 2012 Early 2013 (EMC 2512 or 2673) >[See more details on the Product Description] Brand new battery-> Directly warranty from Manufacturer, perform as good as the original battery. A1398 Macbook Pro 15 inch battery replacement come with adapted screwdriver. Multi-command chip control-> Contain with Durable A cells,Multi-command chip control makes the battery supply power stably.
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
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)
LED feature Specification Display size 60.5 cm (23.8 in) diagonal Display type IPS with LED backlight Panel active area 52.7 x 29.6 cm (20.7 x 11.7 in) Scan range Horizontal: 30 to 80 KHz Vertical: 50 to 60 Hz Brightness 250 nits Color support Up to 16.7 million colors with the use of FRC technology Color gamut 72% Pixel pitch 0.2745 (H) mm x 0.2745 (V) mm 93 PPI Inputs 1 VGA 1 HDMI Audio in/Audio out HDCP support Viewing angle Horizontal viewing angle (typical): 178 degrees Vertical viewing angle (typical): 178 degrees Recommended resolution (H x V) 1920 x 1080 @ 60 Hz (Full HD) Aspect ratio 16:9 Static contrast ratio 1000:1 Dynamic contrast ratio 10,000,000:1 Response time 6 ms GtG w/OD 14 ms GtG (typ) / 28 ms GtG (Max) Power supply External Power consumption 30 Watts max Tilt -5 to +25 degrees Dimensions W x D x H (unpacked): 54.1 x 18.3 x 40.9 cm (21.3 x 7.2 x 16.1 in) Weight Unpacked: 3.1 Kg (6.8 lbs) Specifications: HP Monitor 24ea 23.8-inch IPS Display Display size 60.5 cm (23.8 in) diagonal Display type IPS with LED backlight Panel active area 52.7 x 29.6 cm (20.7 x 11.7 in)
The Samsung 85-Inch QLED 4K Smart TV QA85Q7FAAUXTW delivers a premium large-screen viewing experience with advanced QLED display technology. It produces bright, sharp, and colorful images, so movies, sports, and games look immersive and detailed on the massive 85-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 85 QLED 4K Smart TV QA85Q7FAAUXTW a modern and premium appearance suitable for large living spaces. Overall, this Samsung QLED TV combines strong brightness performance, AI optimization, and smart connectivity for an immersive home entertainment experience. Specifications: QLED technology delivers bright and vivid picture quality 85-inch 4K display provides immersive large-screen viewing 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
The Samsung 65″ The Frame LS03F 4K QLED Art Mode Smart TV QA65LS03FAUXTW uses a 65-inch LCD panel with 3840 × 2160 4K resolution. It is designed for both regular TV viewing and wall-mounted display use with an art display mode. The panel uses Quantum Dot (QLED layer) technology to improve color output. As a result, it produces more accurate and wider color reproduction compared to standard LCD panels. In addition, it supports 4K upscaling for lower-resolution content. The TV supports HDR formats for compatible content. This increases contrast between bright and dark areas and improves visible detail. Also, motion processing reduces blur during fast-moving scenes such as sports and action content. Samsung equips this model with Tizen OS. Therefore, users access streaming apps, SmartThings integration, and smart features through a unified interface. It also supports Wi-Fi and Bluetooth for wireless device connections. Connectivity includes HDMI ports, USB ports, Ethernet LAN, and optical audio output. It supports external devices such as gaming consoles and sound systems. This model includes Art Mode, which displays images or artwork when the TV is not in active use. Specifications: 65-inch 4K UHD LCD panel (3840 × 2160 resolution) Quantum Dot (QLED layer) color enhancement 4K upscaling for lower-resolution content HDR support for compatible content Tizen OS with HDMI, USB, Wi-Fi, Bluetooth, Ethernet connectivity
The ViewSonic VA270-H 27″ FHD 100Hz Monitor delivers smooth and clear visuals for daily work and entertainment. Its Full HD resolution shows sharp text and clean image details. The large 27-inch screen gives more space for multitasking. This helps improve focus and comfort during long work sessions. Moreover, the ViewSonic VA270-H 27″ FHD 100Hz Monitor features a fast 100Hz refresh rate for smoother motion. Scrolling feels softer and more natural. Videos play with less blur and clearer movement. As a result, the viewing experience feels more comfortable. In addition, the monitor uses IPS panel technology for wide viewing angles. Colors stay clear and accurate from all sides. This helps during shared screen use and group work. The image remains bright and stable at every angle. Furthermore, the ViewSonic VA270-H 27″ FHD 100Hz Monitor includes eye comfort features for long daily use. The low blue light mode helps reduce eye strain. The flicker-free design supports long viewing without discomfort. These features protect your eyes during extended screen time. Also, the monitor provides flexible connection options for easy setup. It includes HDMI support for modern devices. You can connect laptops, desktops, and media players with ease. Switching between devices becomes fast and simple. In addition, the slim bezel design gives a clean and modern look. It fits well in both home and office spaces. The stand supports tilt adjustment for better viewing comfort. Wall mounting is also supported for clean desk setups. Moreover, the display works well for office work, browsing, and video streaming. Text appears clear and easy to read. Daily tasks feel more organized and comfortable. The large screen improves workflow and focus. Overall, the ViewSonic VA270-H 27″ FHD 100Hz Monitor offers clarity, smooth motion, and daily comfort. It supports work, study, and entertainment with ease. This monitor is a smart choice for users who want smooth performance and a large display. Specifications: Display : 27″ IPS Resolution : FHD 1920 x 1080 Refresh Rate : 100Hz Response Time : 1ms
The Horion Interactive Flat Panel 98″ EDLA delivers immersive collaboration and boardroom-grade display features. It features a 98″ 4K UHD (3840×2160) LED touchscreen with up to 50-point Ultra Precision IR touch. Moreover, Android 13 with Google EDLA support ensures seamless access to Google Meet, Drive, and Docs. Also, the 48 MP AI camera auto frames active speakers for effective video conferencing. In addition, a full 8-array omnidirectional microphone system captures voice clearly from up to 12 m. Besides that, built-in audio includes two 20 W speakers and a 20 W bass speaker for rich sound. Furthermore, the panel uses dual‑band Wi‑Fi 6, Bluetooth 5.3, and NFC for wireless versatility. Therefore, mirroring and file sharing is fast and simple vianative casting or Miracast. It also offers USB‑C (video, audio, charge, touch), HDMI in/out, DisplayPort, VGA, Ethernet, and USB ports. Also, an ultra-fast response time (8 ms) keeps touch and annotation smooth. Plus, brightness is around 380–450 cd/m² and viewing angles reach 178° horizontally and vertically. The CPU combines quad-core A73 + quad-core A53 with Mali GPU, backed by 8 GB RAM + 128 GB storage. Importantly, the panel includes wireless dongle and smart pen for multi-user collaboration. Also, EDLA certification enables Google ecosystem integration including calendar, voting, and whiteboard apps. Moreover, touch latency below 30 ms ensures writing feels natural on-screen. For content sharing, the system supports built‑in voting, timers, and dual-screen mirroring control. Then, remote support and firmware updates keep the board secure and up to date. As a result, classrooms, boardrooms, and hybrid teams benefit from dynamic collaboration. In conclusion, the Horion 98″ EDLA provides advanced interactivity, strong WLAN, high-quality AV, and enterprise-level smart features. Finally, it is ideal for large-scale meetings, teaching, or creative teamwork. Specifications: Display : 98″ Resolution : 4K UHD 2160p Refresh Rate : 60Hz Ram : 8GB Storage : 128GB OS : Android 13.0
The Samsung 27″ G60SD QHD OLED Gaming Monitor delivers ultra-fast performance and stunning visuals. First, it features a QHD OLED panel with deep blacks and vibrant colors. The monitor offers a 360Hz refresh rate and ultra-low response time for smooth gameplay. In addition, it supports high performance gaming with sharp details and fluid motion. Moreover, the ergonomic design allows height and tilt adjustments for comfort. Therefore, gamers can enjoy competitive play with fast response, clear visuals, and immersive performance. Specifications: 27″ QHD OLED panel delivers deep blacks and vibrant colors 360Hz refresh rate ensures ultra-smooth and responsive gameplay Ultra-low response time reduces motion blur in fast-paced games Ergonomic design with height and tilt adjustment for comfort High-performance display enhances competitive gaming experience
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.
REMAX RT-E601 1200MAH TIME II SERIES EYE-CARING LED LAMP Function— Use the power key to turn on/ off the lamp. Tap the power key to adjust the brightness of the lamp (brightest-normal-dimmest-off) four steps are easy to use. When folding the design lamp holder and arm can rotate the angle within a range of 180 degrees up-down adjustment. Press and hold “Mode” Set” Up” Donkey enter normal time mode, alarm clock and snooze mode, birthday reminder mode timer mode, and temperature mode. Time changes 12 hours/24 hours mode and adjusting the hours, minutes, year, month,t,h, and day. Temperature can change to Celsius or Fahrenheit. The red light will be on when it starts charging, and the red light will go out when it is fully charged. Material—ABS+PC Rated voltage—DC5V /0.5A lighting Mode—Direct glow Key Type—Touch key Luminous flux—250m Color rendering index—>80 Rated power—4W Battery Capacity—1200mAh Weight—346g Charging port—Micro SIZE—87*87*263mmCharging time—4-4:30hour Working time—3:30hour
The ViewSonic XG2409 24″ 180Hz Gaming Monitor is built for smooth and responsive gaming performance. With a fast 180Hz refresh rate, it delivers fluid visuals and reduced motion blur, ideal for action-packed games. Its 1ms MPRT response time ensures clear images with minimal ghosting or lag. The SuperClear® IPS panel offers rich colors and wide viewing angles, making every scene vivid and immersive. The ViewSonic XG2409 24″ 180Hz Gaming Monitor features AMD FreeSync™ support, which helps prevent screen tearing and stuttering during gameplay. HDR10 support boosts contrast and detail, offering more lifelike visuals. The Full HD resolution (1920 x 1080) produces sharp and detailed images for gaming, movies, and work. With 250 nits brightness and a 1,000:1 contrast ratio, it maintains clarity even in brighter environments. Connectivity is simple with two HDMI 1.4 ports and one DisplayPort 1.2, giving you flexibility with multiple devices. It also includes a 3.5mm audio output for easy audio integration. Designed with comfort in mind, the monitor stand is adjustable for height, tilt, swivel, and pivot, helping you find the perfect viewing angle. It also supports VESA mounting for custom setups. The anti-glare coating helps reduce screen reflections, making it easier to focus on your game. Its clean, minimal design blends well with any gaming or home office setup. In conclusion, the ViewSonic XG2409 24″ 180Hz Gaming Monitor offers smooth visuals, fast response, and ergonomic features, making it a great choice for gamers who want performance and value. Specifications: Display : 24″ IPS Resolution : 1920 x 1080 FHD Refresh Rate : 180Hz Response Rate : 1ms MPRT
In the world of monitors, the Smart Monitor M5 LS32CM501 takes center stage. Packed with intelligent features, this monitor becomes the ideal choice for elevating your productivity and entertainment, offering seamless multitasking, vibrant visuals, and a space-saving design for a modern and efficient workspace. Transitioning to its key features, the Smart Monitor M5 excels in providing a smart and efficient viewing experience. Engineered for seamless multitasking, it ensures a responsive and reliable display, making it an ideal choice for users seeking an intelligent monitor solution. Moreover, this smart monitor impresses with its vibrant and modern design. The Smart Monitor M5 not only enhances your viewing experience but also saves space, making it a reliable and visually appealing choice for a clutter-free workspace. In addition to its functionality, the M5 offers user-friendly controls and customizable features. This guarantees a hassle-free and adaptable monitor experience, allowing you to optimize your workspace effortlessly. Furthermore, the commitment to user satisfaction is evident in the M5’s durable build and compatibility with various devices. It stands as a reliable choice for upgrading your monitor without compromising on performance. In conclusion, the Smart Monitor M5 LS32CM501 redefines monitor solutions, combining intelligence, space-saving design, and top-tier performance. Elevate your workspace effortlessly with the M5 – your gateway to a modern and efficient work environment! Specification Resolution : 1920 x 1080 Aspect Ratio : 16:9 Response Time : 4ms(GTG) Refresh Rate : 60Hz Panel Type : VA Part Number : LS32CM501
AOC 24B30H2 23.8-inch IPS monitor delivers smooth and clear performance for work, study, and casual use. It focuses on reliable Full HD visuals, wide viewing angles, and stable refresh rate for daily tasks. Additionally, it features a 23.8-inch IPS panel with Full HD resolution (1920 × 1080). This panel provides consistent colors and wide viewing angles, so it ensures clear visuals from different positions. Moreover, it supports a 100Hz refresh rate with 1ms MPRT response time. As a result, it delivers smoother motion and reduces blur during scrolling and light gaming. The monitor includes Adaptive Sync technology. Therefore, it reduces screen tearing and stuttering for more stable visual performance. In addition, it supports HDR and wide color coverage. This improves image depth and color accuracy for media and general use. Furthermore, it offers HDMI 1.4 and VGA connectivity with a frameless design. So it supports modern and legacy devices while keeping a clean desk setup. AOC 24B30H2 23.8-inch IPS monitor provides balanced performance, smooth visuals, and essential features for everyday productivity. Specifications: 23.8-inch IPS panel with Full HD 1920 × 1080 resolution 100Hz refresh rate for smoother visual performance 1ms MPRT response time for reduced motion blur Adaptive Sync for tear-free and stable visuals HDMI 1.4 and VGA connectivity for wide compatibility
