BATTERY ACER AC14B8K Battery 4ICP5/57/80 for Acer Aspire R5-571T R5-471T R7-371 R7-371T R3-131T ES1-511 ES1-512 ES1-531 E3-112 Chromebook CB5-571 CB3-531 Swift 3 SF314-51 SF314-52 Nitro 5 AN515-51 Aspire 5 A515-51 About this item Compatible for Acer AC14B8K 4ICP5/57/80 KT0030G.004 KT.0040G.004 3ICP5/57/80 Battery Compatible Models for Acer Chromebook CB5-571 CB5-571-C1DZ CB5-571-C4G4 CB3-531 CB3-531-C4A5, Acer Aspire R3-131T R3-131T- P344 R5-571T R5-571T-59DC R5-571TG R5-431T R5-471T R5-571TG-7229 R5-471T-51UN R5-571T-59DC R7-371T R7-372T, Acer Aspire 5 A515-51 A515-51G, Acer Aspire V3-371 E3-111 E3-112 ES1-111 ES1-131 ES1-511 ES1-731 ES1-711-P1UV E5-771, Acer Nitro 5 AN515-51 AN515-52 AN515-53, Acer Swift 3 SF314-51 SF314-52 SF314-52G, Acer Spin SP111-31 battery AC14B8K Laptop Battery SPECS: Battery Type: Li-polymer, Voltage: 15.2V, Capacity: 3220mAh, Cells: 4 cells, 100% Brand New. Packages include: 1x for Acer Battery AC14B8K with safety box. Safety Control: FLYTEN has its factory so we can control strictly the production. There are professional engineers to ensure batteries’ quality and safety. All our AC14B8K batteries have passed strict intelligent detection, such as short circuit protection, over-voltage protection, discharge protection, and over-current protection, which ensure both safety and stability. CE-/FCC-/RoHS-Certified. Warranty: Rest assured with 60 days Refund and 12 months Warranty. Since Amazon return windows will close after one month, don’t worry about it, you can click on Seller Store in the right corner “ask a question” and contact Seller Us directly! We are always here for you to solve your problems!
Samsung 24″ Essential Monitor Aspect Ratio16:9 Brightness (Typical)250 Contrast Ratio Static1000:1(Typical) Resolution1,920 x 1,080 Response Time5 (GTG） Viewing Angle (H/V)178°/178° Specifications Detail Display Screen Size (Class)24 Flat / CurvedFlat Active Display Size (HxV) (mm)527.04 x 296.46 Aspect Ratio16:9 Panel TypeIPS Brightness (Typical)250 Brightness (Min)200 Contrast Ratio Static1000:1(Typical) Resolution1,920 x 1,080 Response Time5 (GTG） Viewing Angle (H/V)178°/178° Color SupportedMax 16.7M Color Gamut (NTSC 1976)72% (CIE 1931) Refresh RateMax 75Hz General Feature Eco Saving PlusYes Eye Saver ModeYes Flicker FreeYes Game ModeYes Image SizeYes Windows CertificationWindows 10 FreeSyncYes Interface D-Sub1 Display Port Out Version HDMI1 HDMI Version1.4 HDCP Version (HDMI)1.2 USB Hub VersionNo USB-C Charging PowerNo Operation Conditions Temperature10~40 ℃ Humidity10~80, Non-condensing Design Front ColorBLACK Rear ColorBLACK Stand ColorBlack Stand TypeSIMPLE Tilt-2.0°(-1.0°/+2.0°)~20.0°(±2.0°) Wall Mount (mm)100.0 x 100.0 Eco Energy Efficiency ClassB Recycled Plastic20.6 % Power Power SupplyAC 100~240V Power Consumption (Max)25W Power Consumption (Typ)20.0 W Power Consumption (DPMS, W)0.50 Power Consumption (Off Mode, W)0.30 Power Consumption (Yearly)29 kWh/year TypeExternal Adaptor Dimension Set Dimension with Stand (WxHxD, mm)539.5 x 422.8 x 217.4 Set Dimension without Stand (WxHxD, mm)539.5 x 322.8 x 41.2 Package Dimension (WxHxD, mm)607.0 x 147.0 x 380.0 Specifications: Specifications : Aspect Ratio16:9 Brightness (Typical)250 Contrast Ratio Static1000:1(Typical) Resolution1,920 x 1,080 3 Year Warranty
BATTERY TOSHIBA PA5185U-1BRS Laptop Battery for Toshiba Satellite C50 C55 C55D C55T L55 L55D L55T Series fit C55-B5200 C55-B5270 C55D-B5310 PA5184U-1BRS PA5186U-1BRS PA5195U-1BRS Battery Type: Li-ion Capacity: 2800Mah Voltage: 14.4V Cells: 4-cell Fit Model: Toshiba Satellite PA5185-1BRS PA5184U-1BRS PA5184-1BRS PA5186-1BRS PA5195-1BRS PA5185U1BRS PA5185U PA5185 PA5195U PA5184 Battery Compatible: Toshiba Satellite C55-B5302 C55-B5299 C55-B5287 C55-B5272 C55-B5270 C55-B5200 C55-B5101 C55-B5100 C55D-B5319 C55D-B5310 C55D-B5241 C55D-B5219 C55D-B5214 C55D-B5212 C55D-B5206 C55D-B5203 C55T-B5349 C55T-B5110 C55T-B5230 C55T-B5109 L55-B5294 L55-B5284 L55-B5276 Battery 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. CE-/FCC-Certified for safety If you have any questions, please feel free to contact us, our professional service team will provide you with the most guaranteed support
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
A lightweight and efficient pre-owned Lenovo ThinkPad T14s Gen 2 with 14" display, AMD Ryzen 5 5650U, 16GB RAM, and 512GB SSD—featuring integrated AMD Radeon graphics for smooth productivity and all-day battery life in a premium ultraportable.
The Moxom MX-ST16 is a 12-in-1 safety power strip with 4 AC outlets, 7 USB-A ports, and 1 USB-C PD port. It supports up to 2500W / 10A total load and provides fast USB charging (PD 20W + QC 18W), making it a practical charging hub for home, office, and desk setups. ⚡ 12-in-1 Multi-Output Design: 4 AC sockets + 7 USB-A + 1 USB-C PD allow powering and charging many devices at once. 🔋 Fast USB Charging: USB-C PD up to 20W for modern phones and tablets. QC fast-charge up to 18W on supported USB-A ports. Smart IC balances output across ports for safe, efficient charging. 🔋 Fast USB Charging: USB-C PD up to 20W for modern phones and tablets. QC fast-charge up to 18W on supported USB-A ports. Smart IC balances output across ports for safe, efficient charging. 🛡️ Multi-Safety Protection: Overload protection, surge/over-voltage protection, over-current and overheating protection, plus foreign-object detection. 👶 Child-Safety Shutters: Safety doors on AC outlets reduce accidental contact. ⏻ One-Key Master Switch: Single button controls all outlets for easy power cut-off. 📏 Long Extension Cord: About 2 meters for flexible placement. 🧊 Heat-Resistant Build: ABS + PC construction designed for durability under continuous load.
Sklon Ski Boot Bag – Expandable 55–65 L backpack with waterproof fabric, separate boot space, and padded carry system.Ideal for skiing and snowboarding gear transport with hands-free comfort and smart compartment layout. Model: Sklon10 Ski Boot Bag Backpack Capacity: 55 L (expandable to 65 L via integrated zipper) Dimensions: Approx. 34.9 cm × 30.5 cm × 53.3 cm (13.75″ × 12″ × 21″) Weight: Around 1.9 kg Material: Water-resistant polyester and nylon soft-shell build Compartments: Dedicated boot section to isolate wet gear Helmet and goggle compartments Multiple internal and external zippered pockets Compartments: Dedicated boot section to isolate wet gear Helmet and goggle compartments Multiple internal and external zippered pockets External Features: Adjustable straps to carry skis or snowboard Compact foldable design for storage External Features: Adjustable straps to carry skis or snowboard Compact foldable design for storage Comfort: Ergonomic padded shoulder straps Cushioned back panel Top and side grab handles Comfort: Ergonomic padded shoulder straps Cushioned back panel Top and side grab handles Use Case: Designed for skiing, snowboarding, or as a multi-use travel pack
The Samsung S4 S40GD 24 inch IPS FHD monitor delivers clear visuals with a Full HD resolution and wide viewing angles. Additionally, the IPS panel ensures consistent colors across the screen, which makes it suitable for work and entertainment. The 100Hz refresh rate also improves motion clarity during videos and daily tasks. Moreover, the monitor includes Eye Saver Mode and flicker-free technology to reduce eye strain during long sessions. Therefore, it helps maintain comfort while working or studying for extended hours. The slim and ergonomic design also allows flexible adjustments for better positioning and productivity. Furthermore, it offers strong connectivity with HDMI and DisplayPort inputs, allowing easy connection to laptops and desktops. In addition, the monitor supports tilt, swivel, pivot, and height adjustments for improved comfort. Overall, the Samsung S4 S40GD 24 inch IPS FHD monitor is a reliable choice for everyday use. Specifications: 24 inch IPS panel delivers consistent colors and wide viewing angles for clear visuals 100Hz refresh rate provides smoother motion for videos and everyday tasks Eye Saver Mode and flicker free technology help reduce eye strain during long use Ergonomic design supports height, tilt, swivel, and pivot adjustments for comfort Multiple connectivity options including HDMI and DisplayPort for flexible setup Height Adjustable Stand
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.
The LG UltraGear 32″ 180Hz Curved Monitor | 32GS60QC‑B delivers smooth visuals for gaming and entertainment. It features a large 32‑inch curved screen that wraps your view for greater immersion. Moreover, the high 180Hz refresh rate makes motion look fluid in fast games and movies. This gaming monitor uses a VA panel for rich contrast and deep blacks. Additionally, its quick response time helps reduce blur during rapid action. Adaptive sync support helps reduce screen tearing and stutter for smoother play. The LG UltraGear 32″ 180Hz Curved Monitor also includes HDMI and DisplayPort inputs for easy setup with PCs and consoles. Furthermore, its tilt and height adjustable stand lets you find a comfortable view. Low blue light and flicker‑safe technology help reduce eye strain during long sessions. This display works well for competitive gaming, entertainment, and everyday use. Therefore, it suits gamers, streamers, and media lovers alike. Finally, it combines immersive visuals, strong performance, and user‑friendly features. Specifications: Display : 32″ VA Resolution : QHD (2560 x 1440) Refresh Rate : 180Hz Response Rate : 1ms GTG Curvature : 1000R
The LG 32MA70HY 32″ Monitor delivers large, clear visuals for work, entertainment, and everyday use.It features a 32‑inch screen with Full HD resolution for sharp images and smooth video.Moreover, the slim design fits well on desks in homes and offices. This monitor uses an IPS panel for wide viewing angles and consistent color from many positions.Additionally, anti‑glare coating helps reduce reflections in bright lighting.Fast response time reduces blur during moving content like videos and casual gaming. The LG 32MA70HY also includes HDMI and VGA ports for flexible connectivity.Furthermore, tilt adjustment lets you find a comfortable viewing angle during long sessions.Low blue light and flicker‑safe features help reduce eye strain during extended use. This display suits students, professionals, and home users alike.Therefore, it supports productivity, media viewing, and everyday computing.Finally, it combines solid picture quality, reliable performance, and comfort features. Specifications: 32″ Full HD (1920 × 1080) IPS panel HDMI + VGA ports for PC and device connection Anti‑glare coating for comfortable viewing Tilt‑adjustable stand for ergonomic use Low blue light and flicker‑safe eye care
The Samsung Odyssey G7 32″ 144Hz Gaming Monitor delivers an unparalleled gaming experience. With its ultra-smooth 144Hz refresh rate, you can enjoy fluid gameplay, giving you the edge in fast-paced action scenes. The Samsung Odyssey G7’s UHD resolution ensures stunning visuals, with crisp details and vibrant colors. Whether you’re gaming or watching movies, you’ll enjoy a rich and immersive visual experience. With its fast 1ms response time, the Samsung Odyssey G7 32″ 144Hz Gaming Monitor eliminates motion blur and ghosting. This feature enhances gameplay performance, giving you faster reactions and sharper precision during intense gaming sessions. Designed for compatibility with NVIDIA G-Sync and AMD FreeSync Premium Pro, this monitor ensures smooth graphics with minimal screen tearing. Your gameplay will be stutter-free, keeping you fully immersed in the game. The Samsung Odyssey G7 also supports HDR600 for enhanced contrast and color depth, bringing out the finest details in bright and dark scenes alike. Games and videos come to life with vivid colors and stunning clarity. In conclusion, the Samsung Odyssey G7 32″ 144Hz Gaming Monitor is built for serious gamers who demand superior performance. Upgrade your gaming setup today with this top-tier monitor for an immersive and responsive experience. Specifications: Display : 32″ IPS Resolution : UHD (3,840 x 2,160) Refresh Rate : 144Hz Response Time : 1ms GTG
A rugged and versatile pre-owned Lenovo ThinkPad T460 with 14" touchscreen, 6th Gen Core i5, 8GB RAM, and 256GB SSD—ideal for professionals who need durability, touch functionality, and reliable business performance.
Philips 24E2N2100 is a 23.8-inch Full HD IPS monitor designed for smooth visuals and accurate color performance. It supports a 1920 × 1080 resolution with a 120Hz refresh rate and 1ms MPRT response time for fast motion clarity. The IPS panel provides wide viewing angles and consistent image quality. Additionally, it includes Adaptive Sync for reduced screen tearing and smoother gameplay. LowBlue Mode and Flicker-Free technology help reduce eye strain during long sessions. Moreover, HDMI 1.4 and VGA connectivity support standard PC and laptop setups. SmartImage presets adjust display settings based on content type. The Philips 24E2N2100 delivers reliable performance for work, media, and casual gaming. It combines IPS color accuracy with high refresh smoothness for everyday use. Specifications: 23.8-inch IPS display with Full HD 1920 × 1080 resolution 120Hz refresh rate for smoother motion performance 1ms MPRT response time for reduced motion blur Adaptive Sync support for tear-free visuals LowBlue Mode and Flicker-Free technology for eye comfort
The Samsung 65″ Neo QLED QN70F 4K Vision AI Smart TV QA65QN70FAUXTW delivers a premium viewing experience with advanced Neo QLED technology. It produces bright, sharp, and highly detailed images with strong contrast, so movies, sports, and games look clear and 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 appear deeper while bright scenes stay vivid and balanced. This creates a more realistic picture across different types of content. Vision AI enhances picture and sound in real time. It analyzes each scene and automatically adjusts brightness, sharpness, and color. Therefore, the TV consistently delivers optimized visuals without manual settings. In addition, AI upscaling improves lower-resolution content closer to 4K quality for better clarity and detail. 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 when switching between apps. In addition, the slim design with thin bezels gives the Samsung 65 Neo QLED QN70F 4K Vision AI Smart TV QA65QN70FAUXTW a modern and premium appearance. 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 enhances 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 85″ Crystal UHD U8000F 4K Smart TV UA85U8000FUXTW uses a 3840 × 2160 (4K UHD) LCD panel designed for large-screen viewing. It focuses on screen size and basic 4K playback rather than advanced display features. It uses Samsung’s Crystal Processor 4K for image processing and upscaling. This processor converts lower-resolution video to near-4K output on the screen. It also supports HDR10 and HDR10+ for compatible content, which increases contrast range between bright and dark areas. The native refresh rate is 60 Hz. It includes Motion Xcelerator to reduce blur in fast motion scenes such as sports and games. The TV runs Samsung Tizen OS. This system provides access to streaming apps, web browsing, and SmartThings integration. It also supports voice assistants depending on region and setup. For connectivity, it includes HDMI ports, USB ports, Wi-Fi, Bluetooth, Ethernet LAN, and optical audio output. It also supports features like ALLM for basic gaming responsiveness. Overall, this model is a large 4K Crystal UHD TV focused on size, standard smart features, and basic HDR performance without local dimming or advanced gaming hardware. Specifications: 85-inch LCD panel with 3840 × 2160 4K UHD resolution Crystal Processor 4K with upscaling support HDR10 and HDR10+ compatibility 60 Hz native refresh rate with Motion Xcelerator Tizen OS with HDMI, USB, Wi-Fi, Bluetooth, Ethernet connectivity
SanDisk Ultra Flair USB 3.0 – SDCZ73 – High-speed flash drive with sleek metal design.Up to 150MB/s transfer speeds and password protection software included. Model: SanDisk Ultra Flair USB 3.0 Flash Drive (SDCZ73) Interface: USB 3.0 (Backward compatible with USB 2.0) Read Speed: Up to 150MB/s (on supported USB 3.0 ports) Capacity Options: 64GB / 128GB / 256GB Material: Sleek and durable metal casing Design: Compact with built-in keyring loop Security: Includes SanDisk SecureAccess software for password protection Compatibility: Windows, macOS (reformat may be required), Linux Dimensions: Approx. 42.42 x 13.21 x 6.60 mm Weight: Approx. 5.2 grams
The LG UltraGear 24″ 180Hz Gaming Monitor delivers exceptional performance for gamers seeking speed and visual precision. Its 23.8-inch Full HD IPS display ensures sharp images and vibrant colors from wide viewing angles. With a rapid 180Hz refresh rate and 1ms (GtG) response time, this monitor minimizes motion blur, providing smooth gameplay even in fast-paced scenarios. These features give you a competitive edge by allowing quicker reactions during intense gaming sessions. The monitor supports HDR10 and covers 99% of the sRGB color spectrum, enhancing visual immersion with rich and accurate colors. This ensures that game environments appear more lifelike and engaging. Equipped with both NVIDIA G-SYNC and AMD FreeSync technologies, the UltraGear monitor reduces screen tearing and stuttering. This compatibility ensures a seamless gaming experience across various graphics cards. Its virtually borderless design on three sides offers an immersive viewing experience, making it ideal for multi-monitor setups. The sleek aesthetics complement any gaming or workstation setup. Additional gaming features like Black Stabilizer, Crosshair, and FPS Counter provide enhanced visibility and targeting precision. These tools assist in identifying enemies and maintaining focus during gameplay. The monitor includes both HDMI and DisplayPort inputs, offering flexibility in connectivity options for different devices. This ensures compatibility with various gaming consoles and PCs. In summary, the LG UltraGear 24″ 180Hz Gaming Monitor combines high-speed performance, vivid visuals, and gamer-centric features, making it a solid choice for both casual and competitive gamers. Specifications: Display : 24″ VA Resolution : FHD 1920 x 1080 Refresh Rate : 180Hz Response Rate : 5ms GTG
OEM-quality trackpad replacement (without flex cable) for MacBook Pro 13″ (Models A2251 and A2289, 2020) in Silver finish—engineered for precise Force Touch response, smooth multi-touch gestures, and seamless integration with the original chassis. Compatible With: MacBook Pro 13″ (2020, Two Thunderbolt Ports) – Model A2251 (Intel Core i5/i7) MacBook Pro 13″ (2020, Four Thunderbolt Ports) – Model A2289 (Intel Core i5/i7) (Note: Both models share the same trackpad assembly despite port differences.) MacBook Pro 13″ (2020, Two Thunderbolt Ports) – Model A2251 (Intel Core i5/i7) MacBook Pro 13″ (2020, Four Thunderbolt Ports) – Model A2289 (Intel Core i5/i7) (Note: Both models share the same trackpad assembly despite port differences.) Part Type: Trackpad only—does not include the flex cable, Taptic Engine, or mounting hardware. Designed for technicians who will reuse the original internal components. Finish: Silver—matches the Silver MacBook Pro 13″ top and bottom case for perfect aesthetic continuity. Force Touch Support: Fully compatible with pressure-sensitive input and haptic feedback when paired with the original Taptic Engine and logic board—ensuring full macOS gesture functionality (e.g., Force Click, Lookup, Pressure-sensitive drawing). Precision Build: Features the same glass surface texture, curvature, and micro-click mechanism as Apple’s original—delivering consistent tracking accuracy and tactile feel. Installation Requirements: Requires full bottom case disassembly and careful transfer of the original flex cable and Taptic Engine. Adhesive must be applied precisely to maintain structural rigidity and sensor alignment. Recommended for certified or experienced repair technicians only.
