The Samsung Odyssey G8 32″ 240 Hz OLED Gaming Monitor delivers unmatched gaming performance and stunning visuals. It features a 32‑inch OLED display for deep blacks and vibrant colors. Moreover, the Samsung Odyssey G8 32″ 240 Hz OLED Gaming Monitor supports ultra‑fast 240 Hz refresh rate. It ensures ultra‑smooth gameplay and fewer motion artifacts during fast action. Also, the monitor boasts just 0.03 ms response time for minimal blur. In addition, this gaming monitor uses HDR to boost contrast and brightness. Plus, its OLED panel offers wide viewing angles and consistent color from any position. Furthermore, adaptive sync technology keeps frame rates smooth with FreeSync or G‑SYNC. Therefore, gamers experience tear‑free visuals even under heavy load. It includes DisplayPort and multiple HDMI 2.1 ports for high bandwidth input. Also, USB ports and a built‑in USB hub simplify peripheral connections. Moreover, the monitor supports customizable RGB lighting on its stand and rear. Then, ergonomic stand adjusts height, tilt, and swivel for comfortable viewing angles. Also, low‑blue‑light and flicker‑free modes reduce eye strain during long gaming sessions. Furthermore, the sleek, curved display blends well with modern gaming setups. In addition, its slim bezels help create immersive multi‑monitor environments. Because of OLED quality, contrast ratio is effectively infinite for deep image depth. Meanwhile, factory calibration ensures accurate colors right from setup. Also, power consumption remains efficient even in intense HDR modes. Besides that, thermal design keeps the monitor cool and reliable. Thus, you get long‑lasting performance without overheating. With strong build quality, the monitor offers durable daily use. It works perfectly for high‑frame‑rate gaming, fast‑paced esports, and vivid content. Finally, the Samsung Odyssey G8 32″ 240 Hz OLED Gaming Monitor combines speed, clarity, and design. Overall, it stands as a premium choice for competitive and immersive gamers. Specifications: Display : 32″ Resolution : OLED (3,840 x 2,160) Refresh Rate : 240Hz Response Rate : 0.03ms GTG
About this item 📱 Versatile Connectivity: Connect effortlessly with Bluetooth 4.2 to your smartphones, iPads, and computers. Also supports U disk, TF card (up to 32G), AUX input, and FM radio for versatile playback options. 📲 🔊 Powerful Sound with Heavy Bass: Enjoy rich, high-volume stereo sound with a powerful 20W output and a built-in heavy subwoofer, delivering an immersive audio experience for your home. 🎶 📻 Built-in FM Radio: Stay tuned to your favorite stations with the built-in FM radio feature, ensuring you never miss out on the latest news, music, and more. 📡 📞 Hands-Free Calling: Equipped with a clear call feature, this speaker allows you to answer phone calls directly through the speaker without lifting your phone. Perfect for multitasking! 🗣️ 📞 Hands-Free Calling: Equipped with a clear call feature, this speaker allows you to answer phone calls directly through the speaker without lifting your phone. Perfect for multitasking! 🗣️
BATTERY DELL F3YGT 7.6V 60Wh Type F3YGT Battery for Dell Latitude 7480 7490 7280 7290 7380 7390 P73G001 P73G002 P28S001 P28S002 P29S002 DM3WC 2X39G DM6WC 451-BBYE 453-BBCF P28S P73G KG7VF 4-Cell About this item REPLACE BATTERY PART : 7.6V 60 WHr 4-Cell F3YGT battery replace part F3YGT DM3WC 2X39G 0DM3WC 0F3YGT 451-BBYE 453-BBCF KG7VF. (Only replace with type 60Wh battery, NOT fit DJ1J0 42WHr 3-Cell! Please check your original battery to make sure you get the correct replacement battery!) FIT LAPTOP MODELS: For Dell Latitude 12 7000 7280 7290 Latitude 13 7000 7380 7390 Latitude 14 7000 7480 7490 Latitude 7280 7290 7380 7390 7480 7490 E7280 E7290 E7380 E7390 E7480 E7490 P28S P73G P28S001 P28S002 P73G001 P73G002 Series laptop. (NOT fit for Dell Latitude 7390 2-in-1 Series) SPECIFICATION: Model Name: 60Wh Standard Rechargeable Li-ion Battery Type F3YGT; Battery Type: Li-Ion Polymer; Voltage: 7.6V; Capacity: 60Wh; Cells: 4-cell; Size: About 9.37×3.78×0.22inch; Weight: About 10OZ / 0.63lb; Condition: 100% New; Life span: About 300-500 discharge per charge cycles; Packages includes: 1PC F3YGT laptop battery(with two free screwdrivers and user manual for easy installation, battery cable NOT included)
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
ViewSonic XG272-2K-OLED 27″ 240Hz OLED Gaming Monitor is designed by ViewSonic for competitive gaming and high-end visual performance. ViewSonic builds this monitor to deliver ultra-fast response times, deep contrast, and smooth motion clarity for esports and AAA gaming. ViewSonic XG272-2K-OLED 27″ 240Hz OLED Gaming Monitor features a 2560 × 1440 QHD resolution for sharp image detail. Additionally, it uses OLED panel technology with a 240Hz refresh rate and an extremely fast ~0.02ms response time for smooth and blur-free gameplay. It supports high dynamic range with strong contrast performance thanks to OLED pixel-level lighting. Moreover, it delivers wide color coverage and deep blacks for more immersive visuals during gaming and media use. The monitor supports adaptive sync technologies such as FreeSync Premium and G-Sync compatibility. Therefore, it reduces screen tearing and improves smoothness during fast-paced action scenes. ViewSonic includes versatile connectivity options such as HDMI 2.1, DisplayPort, and USB-C. Furthermore, it supports multiple device setups including PCs, consoles, and accessories through its integrated hub system. ViewSonic XG272-2K-OLED 27″ 240Hz OLED Gaming Monitor delivers ultra-fast response, high refresh rate performance, and premium OLED image quality for competitive and immersive gaming. Specifications: 27-inch QHD (2560×1440) OLED display 240Hz refresh rate for ultra-smooth motion ~0.02ms ultra-fast response time FreeSync Premium and G-Sync compatibility HDMI 2.1, DisplayPort, and USB-C connectivity
LENOVO 20V/4.5A USB PIN Laptop Charger for Lenovo Thinkpad Compatible Part NO.: 45N0236, 45N0237, 45N0238, 45N0239 0B46994, 0B46995, 0B46996, 0B46997, 0B46997, 0B46998, 0B469990B47000, 0B47001, 0B47002, 0B47003, 0B47004, 0B47005, 0B47006
The ViewSonic VX3216-2KC-PRO-3 31.5″ 2K 240Hz Curved Gaming Monitor delivers smooth and sharp visuals for fast gaming. Its 2K resolution shows clear detail in games, videos, and creative work. The large 31.5-inch curved screen improves immersion and focus. This helps you feel closer to the action. Moreover, the ViewSonic VX3216-2KC-PRO-3 31.5″ 2K 240Hz Curved Gaming Monitor features a powerful 240 Hz refresh rate. This makes motion extremely smooth during fast scenes. As a result, gameplay looks fluid with less blur. This gives you a competitive edge in fast games. In addition, the monitor offers a very fast response time for quick screen changes. This reduces ghosting and keeps motion sharp. Controls feel more precise and responsive. This helps improve gaming accuracy. Furthermore, the ViewSonic VX3216-2KC-PRO-3 31.5″ 2K 240Hz Curved Gaming Monitor uses a high-contrast VA panel. Blacks appear deep and colors look rich. This makes games and movies more enjoyable. The curved design also improves side viewing comfort. Also, the monitor supports adaptive sync to reduce screen tearing and stuttering. This keeps frames smooth when your system speed changes. As a result, gameplay feels stable and clean. This enhances the overall gaming experience. In addition, the monitor includes modern connection options. It offers DisplayPort and HDMI for easy device setup. You can connect gaming PCs, consoles, and media devices with ease. This adds strong flexibility. Moreover, the stand offers tilt adjustment for viewing comfort. The slim design saves desk space while keeping a bold gaming look. The monitor also supports wall mounting for clean setups. Overall, the ViewSonic VX3216-2KC-PRO-3 31.5″ 2K 240Hz Curved Gaming Monitor delivers speed, clarity, and immersion in one strong display. It improves gaming performance and visual comfort. This monitor is ideal for gamers who want smooth action and large curved visuals. Specifications: Display : 31.5″ Fast VA Resolution : QHD 2560 x 1440 Refresh Rate : 240Hz Response Time : 1ms Curved
The Lenovo ThinkVision T24-4v 23.8″ FHD IPS Monitor 64B6MAT1EU is a professional-grade display designed for productivity, video conferencing, and office workflows. It delivers a Full HD resolution with an IPS panel for wide viewing angles and consistent image quality. Additionally, its ergonomic stand supports height, tilt, swivel, and pivot adjustments for comfortable long-term use. This monitor features a 1920 × 1080 resolution with a 23.8-inch screen size. Moreover, it supports up to 120Hz refresh rate and a fast response time for smooth visual performance in everyday tasks. It also provides 99% sRGB color coverage for accurate and consistent colors. The ThinkVision T24-4v includes a full connectivity set with HDMI 1.4, DisplayPort 1.2, VGA, and a USB hub. Therefore, it supports modern and legacy devices in office environments. It also integrates USB-C and USB-A ports for flexible peripheral connections depending on configuration. It is equipped with built-in conferencing features including an integrated webcam, microphone, and speakers in supported configurations. Additionally, it supports low blue light technology and TÜV-certified eye comfort features for reduced eye strain during long work sessions. The Lenovo ThinkVision T24-4v 23.8″ FHD IPS Monitor 64B6MAT1EU is designed for professional users who need reliability, ergonomic flexibility, and consistent visual performance in daily productivity environments. Specifications: 23.8-inch Full HD (1920 × 1080) IPS display Up to 120Hz refresh rate for smooth visuals 99% sRGB color gamut for accurate color reproduction HDMI, DisplayPort, VGA, and USB hub connectivity Fully ergonomic stand with height, tilt, swivel, and pivot adjustment
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
GAMDIAS Hermes E3 RGB Mechanical Gaming Keyboard Blue Switch with 19 Built-in Lighting Effects Certified Optical Switches and N-Key Rollover & Anti-Ghosting Functionality (Hermes E3 Black) About this item Extreme Gaming RGB Lighting Modes: This wired keyboard has 19 Build-in RGB backlight modes powered by 16.8 million RGB backlighting for gamers and provide comfortable ambient light for typing. It comes with the adjustable brightness and WASD and Arrow Keys Exchange 8 Additional Multimedia Keys. Compact 60 Percent Design for Mobility: The 60% gaming keyboard is a compact 61-key elegant design for both gaming and office typing for computers, PC and desktops. Blue Switches & Full Anti-ghosting: The classic blue switches provide tactile and audible feedback, deliver accurate and responsive key commands. All keys are fully conflict-free, the perfect choice for intense gameplay and fast typing. All key can be reassigned and macros can be created for effortless operation. Ergonomic & Portable design: The 61 key compact keyboard is not only easy to operate and store, but it also boasts its solid front plate and comes in Classic Black or White touch-up to fit flawlessly into all battle stations. Superior Control: Gain complete control using the responsive mechanical switches with a built-in vertical LED perception sensor and anti-ghosting with N-Key rollover.
The ViewSonic VA24D1-H 24″ FHD 100Hz Monitor delivers smooth and clear visuals for work, gaming, and daily use. It offers Full HD resolution with bright colors. The screen shows sharp details that improve movies, documents, and web browsing. This makes your viewing experience more comfortable. Moreover, the ViewSonic VA24D1-H 24″ FHD 100Hz Monitor includes a fast 100Hz refresh rate. This feature reduces motion blur and screen tearing. It makes gaming and fast scenes much smoother. It also improves general tasks like scrolling and tracking movement. In addition, the monitor features HDMI and VGA connections. These ports make setup quick and simple. You can connect laptops, desktops, and media players easily. This gives you strong flexibility for work and entertainment. Furthermore, the ViewSonic VA24D1-H 24″ FHD 100Hz Monitor includes important eye-care technology. The flicker-free screen helps reduce eye strain. The blue light filter adds more comfort during long hours. This makes the monitor ideal for study, office work, and long sessions. Also, the slim bezel design gives the monitor a modern and clean look. It fits well in home and office spaces. The thin edges help create smooth multi-monitor setups. This improves both productivity and style. The stand on the ViewSonic VA24D1-H 24″ FHD 100Hz Monitor offers stable support. You can tilt the screen to find a comfortable angle. This helps you maintain a healthy posture. It also improves your overall viewing comfort. Overall, the ViewSonic VA24D1-H 24″ FHD 100Hz Monitor offers clarity, smooth motion, and strong comfort. It works well for gaming, streaming, office tasks, and daily use. It is a reliable monitor for users who want simple performance and modern design. Specifications: Display : 24″ IPS Resolution : 1920×1080 Refresh Rate : 100Hz Response Time : 5ms
Experience the perfect balance of performance and value with the Lenovo ThinkPad E14 Gen 1. Powered by a reliable 10th Gen Intel Core i5 processor, 16GB RAM, and a spacious 512GB NVMe SSD, this 14-inch laptop is built to handle professional multitasking with the signature durability of the ThinkPad line.
Are you a serious gamer looking to elevate your gaming setup? The MSI MPG 271QRX QD-OLED 27″ 360Hz Gaming Monitor is the perfect choice. With cutting-edge features and stunning visuals, this monitor will transform your gaming experience. Firstly, let’s talk about the impressive 360Hz refresh rate. This ultra-fast refresh rate ensures smooth and fluid gameplay. You’ll experience minimal motion blur, giving you a competitive edge in fast-paced games. In addition to the refresh rate, the QD-OLED technology offers exceptional color accuracy and contrast. The vivid colors and deep blacks will make every game come to life. Whether you’re exploring detailed landscapes or engaging in intense battles, the visuals will be breathtaking. Moreover, the 27-inch screen size provides an immersive gaming experience. The large display allows you to see more of the game world, enhancing your overall gameplay. It’s the perfect size for both competitive and casual gaming. The MSI MPG 271QRX also features a sleek and modern design. With its slim bezels and adjustable stand, it fits seamlessly into any gaming setup. You can tilt, swivel, and adjust the height for the perfect viewing angle. Furthermore, the monitor is equipped with multiple connectivity options. It includes HDMI, DisplayPort, and USB ports, making it easy to connect all your devices. You won’t have to worry about compatibility issues with your gaming rig. Another highlight is the monitor’s ergonomic design. Long gaming sessions can take a toll on your posture, but this monitor helps alleviate that. With customizable settings, you can maintain comfort during extended play. In conclusion, the MSI MPG 271QRX QD-OLED 27″ 360Hz Gaming Monitor is a game-changer. With its high refresh rate, stunning visuals, and ergonomic design, it’s perfect for serious gamers. Upgrade your setup and unleash your full gaming potential today! Specifications: Display : 26.5“” QD-OLED Resolution : 2560×1440 (WQHD) Refresh Rate : 360Hz Response Rate : 0.03ms (GtG)
The MSI MAG 275QPF X30 0.5ms 2K 300Hz Gaming Monitor delivers fast, smooth performance and sharp visuals for serious gamers. Its 27-inch screen with 2K resolution brings games, movies, and work to life with crisp detail and vibrant colors. Moreover, the ultra-fast 300Hz refresh rate helps reduce motion blur and deliver fluid action during intense gaming sessions. This monitor features a 0.5ms response time that allows you to react quickly in fast-paced games, keeping visuals clear even during rapid movement. Additionally, the display supports wide viewing angles and rich color performance, making your experience more engaging whether you play competitive games or watch movies. The sleek design blends well into gaming setups and home offices. The MSI MAG 275QPF X30 also includes multiple connectivity options, making it easy to connect PCs, laptops, and consoles. Furthermore, ergonomic tilt adjustment helps you find a comfortable viewing angle for long sessions. Therefore, it is ideal for competitive and casual gamers alike who value speed and clarity. Finally, it combines fast response, smooth motion, and sharp visuals for great everyday use. Specifications: 27″ 2K gaming monitor 300Hz refresh rate for smooth motion 0.5ms response time for fast action Vibrant visuals and wide viewing angles Multiple connectivity options
The Samsung ViewFinity S7 32″ 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 32-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 32″ 4K Monitor and enjoy stunning visuals. Specifications: Display : 32″ VA Resolution : 4K (3840×2160) HDR10 Refresh Rate : 60Hz Response Rate : 5ms
90W AC Charger Replacement for HP EliteDesk 705 G1 G2 G4 705 800 G5 Desktop Mini ProOne 400 G4 G5 23.8-inch All-in-One ProOne 400 G2 G3 G4 G5 460 G2 G3 480 G2 G3 20-inch All-in-One
The MSI MAG 273QP QD-OLED X24 is a stunning gaming monitor with sharp visuals and smooth performance. This display brings vibrant colors and deep contrasts to every game and movie. Moreover, its QD-OLED panel delivers lifelike pictures that feel rich and alive. Therefore, it fits well for gamers, creators, and everyday users. First, the screen quality is excellent with bright highlights and deep blacks. Every scene looks clear and detailed, making games more immersive. In addition, the wide color range enhances photos and videos. This means visual content feels more real and exciting on this screen. Also, the display offers consistent colors from different viewing angles. Next, the refresh rate is fast, so motion stays smooth and fluid. This helps with fast games and video content. Furthermore, adaptive sync technology reduces screen tearing for a better experience. As a result, gaming feels responsive and enjoyable without lag or blur. Players will notice sharper movement in games. The design is sleek and modern with thin bezels. Therefore, it looks great on any desk and feels like a premium setup. Also, the stand is adjustable for height and tilt. This makes long sessions more comfortable and easy to position. Meanwhile, the built-in speakers add basic audio without extra devices. Connectivity is strong with multiple ports for peripherals. You can easily connect consoles, PCs, and other gadgets. Moreover, the monitor supports high bandwidth for crisp image output. This makes it ready for current and future hardware demands. Overall, the MSI MAG 273QP QD-OLED X24 delivers top visuals, fluid performance, and practical features. It combines quality display and functionality in one package. For gamers and creators alike, this monitor is a smart choice for sharp graphics and smooth play. Specifications: Display : 27″ QD-OLED Resolution : 2560 x 1440 (WQHD) Refresh Rate : 240Hz Response Rate : 0.03ms (GTG)
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
A premium pre-owned HP EliteOne 800 G2 all-in-one desktop with 23.8-inch display, 6th Gen Core i7, RAM upgrade options, and SSD storage options. Designed for business professionals who need performance, security, and a clean space-saving workstation.
lenovo battery L18C3PF2 Laptop Battery Compatible with Lenovo Ideapad L3-15IML05 L340-15API L340-15IWL L340-17API L340-17IWL L340-15API/L340-15IWL Touch Series 5B10T03401 L18M3PF2 L18L3PF1 L18D3PF1 11.25V 36Wh About this item 【Battery type】Li-ion. Voltage: 11.25V. Capacity: 36Wh 3320mAh . 【Compatible Part Number】L18C3PF2 5B10T03401 5B10W67302 L18M3PF2 5B10T03402 5B10W67367 5B10T03404 L18D3PF1 5B10W67278 5B10T03400 L18L3PF1 5B10W67198 5B10T03403 . 【Replacement For Laptop】Lenovo V155-15API V340-17IWL, IdeaPad L3-15IML05, Ideapad L340-15API L340-15IWL L340-17API L340-17IWL L340-15IWL Touch L340-15API Touch Series Notebook. 【Connector】Before placing your order, Please refer to the picture and check it. Because the products produced by different factories will have differences in size, cable length, interface, etc.
