Laptop Battery Compatible for A31N1519 Battery for ASUS X540S X540L X540SA X540S X540LA-SI302 A540 F540 R540LA About this item Compatible model no. :- a31n1519, asus x540s x540l x540sa x540s x540la-si302 a540 f540 r540la Warranty not covered if defects due to external causes, accidental, physical or liquid damage, cut, burnt, misuse and missing warranty stickers or labels Battery capacity/power capability (mah/wattage) may be different from the reference picture but a backup of the battery will be the same as the original Please match your product with the image provided before placing the order for any help please get in touch with us.
Haixun F20 Barcode Reader – USB 2D handheld scanner supports QR, PDF417, and 1D barcodes.Fast and reliable for retail, inventory, and logistics with plug-and-play setup. Model: Haixun F20 Type: 2D Handheld Barcode Scanner Supported Codes: 1D: EAN-13, UPC-A, Code 39, Code 128, Codabar, etc. 2D: QR Code, PDF417, DataMatrix, etc. Supported Codes: 1D: EAN-13, UPC-A, Code 39, Code 128, Codabar, etc. 2D: QR Code, PDF417, DataMatrix, etc. Sensor Type: CMOS imaging sensor Interface: USB (Plug and Play, no driver needed) Scan Mode: Manual trigger / Continuous / Auto-sensing Scan Speed: Up to 300 scans/sec Resolution: ≥ 4mil (0.1mm) Light Source: Red LED + White fill light Compatibility: Windows, Android, macOS, Linux Design: Ergonomic grip for long use Durable ABS plastic body Design: Ergonomic grip for long use Durable ABS plastic body Cable Length: Approx. 1.5 – 2 meters Power Supply: 5V (via USB) Applications: Retail, Warehouse, POS, Inventory, Logistics
NB OMS040 OMS040 NB STAND DESK TV INNOVATIVE SIT STAND DESK MOUNT: UNIVERSAL COMPATIBILITY: Fits Most 22” – 32” Monitor with the load from4.4 lbs up to 33lbs, VESA compliant 75x75mm 100x100mm. Come with ultra-widekeyboard tray, 25.6″L x13.4”W. Keyboard Tray pull out range 2”(50mm). FULL MOTION MOUNT: A Wide range of movements, The monitor can berotated and tilted effortlessly in any direction, Tilt Angel from +9°to -12°with acombined +3°to -3° degree landscape rotation, Upright range is 17.1’’(435mm) withswivel angel ±90 degrees. The mounts extension and retraction 50.4’’ (1280 mm) and3.9’’ (100 mm) display height adjustment. EASY INSTALLATION: Built in durable gas-strut to hover at any workingpositions, Simple installation and easy to use, effortless operation; Switches fromsitting to standing position in just a few seconds. HAT6 STAND 6 LCD/LED DESK MOUNT 12”-24”-JTD003II6 -MAX-LOAD:10KG -TILT:+/-10 degree- SWIVEL:180 degree H148 Specifications: Specifications COMPATIBILITY: Fits Most 22” – 32” Monitor with the load from4.4 lbs up to 33lbs, VESA compliant 75x75mm 100x100mm. Come with ultra-widekeyboard tray, 25.6″L x13.4”W. Keyboard Tray pull out range 2”(50mm). FULL MOTION MOUNT: A Wide range of movements, The monitor can be rotated and tilted effortlessly in any direction
The Mars Gaming MGC-ERGOPLUS Ergonomic Chair offers strong comfort for long hours of sitting. It supports your back with an ergonomic design. Also, it keeps your posture steady during work or gaming. Because of this support, you feel better throughout the day. The Mars Gaming MGC-ERGOPLUS Ergonomic Chair uses high-quality materials for daily use. The frame stays firm under pressure. In addition, the breathable fabric keeps you cool while you focus. The seat cushion feels soft yet supportive. Therefore, you can sit for long periods without discomfort. This chair includes easy adjustments. For example, you can lift or lower the seat smoothly. You can also tilt the backrest for more comfort. Moreover, the armrests adjust to match your desk height. As a result, you maintain a natural sitting position. This helps reduce stress on your neck and shoulders. The Mars Gaming MGC-ERGOPLUS Ergonomic Chair fits both gaming rooms and offices. Its clean style looks modern and neat. Even more, the strong wheels move softly on different floors. This makes the chair very practical for daily activity. Many people choose this chair for long sessions. The comfort stays consistent even after many hours. Besides that, the ergonomic build helps improve focus and energy. So the chair becomes a useful partner in your tasks. In conclusion, the Mars Gaming MGC-ERGOPLUS Ergonomic Chair offers comfort, strength, and great value. It improves posture and reduces strain. It also adapts easily to your needs. With all these benefits, it becomes a smart choice for gamers and workers. Specifications: Adaptive dynamic lumbar support Mulch Adjustable height between 115-125 cm Folding armrests and adjustable headrest
ACER KA220HQbid 21.5″ FHD, HDMI,AMD Freesync VESA 100x100mm Maximum Resolution 1920 x 1080 Colour Supported 16.7 Million Colours Brightness Aspect Ratio 16:9 Response Time 5 ms Backlight Technology LED Horizontal Viewing Angle 90° Vertical Viewing Angle 65° Tilt Angle -5° to 15° Features Flicker-free Features Low Dimming Features Blue Light Speakers No VGA Yes DVI Yes HDMI Yes Operating Power Consumption (Energy Star) 19.50 W Environmental Certification MPR II Package Contents KA220HQ Widescreen LCD Monitor Power Cord 1 x VGA Cable Specifications: ACER KA220HQbid 21.5″ FHD, HDMI,AMD Freesync VESA 100x100mm Maximum Resolution 1920 x 1080 Colour Supported 16.7 Million Colours Brightness 200 cd/m² Technical Information Aspect Ratio 16:9 Response Time 5 ms Backlight Technology LED Horizontal Viewing Angle 90° 1 Year Warranty
Genuine-spec US layout keyboard replacement for MacBook Pro 13″ (Model A1502, Mid 2014)—featuring durable scissor-switch keys, backlighting, and OEM-fit design for reliable performance and easy installation. Compatible With: MacBook Pro 13-inch (Mid 2014, Model A1502, Model Identifier MacBookPro11,1) with Retina display. Layout: Standard US English (QWERTY) with full-size keys, inverted-T arrow keys, and dedicated function row (F1–F12). Keyboard Type: Traditional scissor-switch mechanism—offers good key travel, tactile feedback, and proven long-term reliability (pre-Butterfly design). Integrated Features: Backlit keys for low-light environments, ambient light sensor compatibility, and original-style ribbon cable connector for direct logic board attachment. Build & Fit: Precision-molded to match Apple’s exact dimensions and mounting points—ensures flush integration into the top case with consistent key alignment. Installation Note: Keyboard is secured with screws and light adhesive—more serviceable than later glued models. Requires top case access and battery disconnection. Suitable for intermediate DIYers or professional technicians.
Logitech G403 HERO – Ergonomic wired gaming mouse with HERO 25K sensor and ultra-precise 25,600 DPI tracking.Delivers pro-grade performance with customizable RGB, 6 buttons, and optional weight tuning. ✅ Full Specifications: Model: Logitech G403 HERO Sensor: HERO 25K Optical Sensor DPI: 100 – 25,600 DPI (adjustable with no smoothing, acceleration, or filtering) Polling Rate: 1000 Hz (1ms response time) Tracking Speed: >400 IPS Acceleration: >40G Buttons: 6 programmable buttons (including 2 side buttons) Switches: Mechanical with metal spring button tensioning (rated for 20M+ clicks) Lighting: RGB Lighting (logo and scroll wheel, customizable via G HUB) Weight: Approx. 87g (mouse only) + 10g optional weight Grip Style: Palm and claw grip support Cable: 2.1 meters (standard rubber cable) Build: Ergonomic right-handed design with rubber side grips Software: Logitech G HUB (for DPI, lighting, macros, and profiles) Compatibility: Windows 7 or later, macOS 10.11 or later, Chrome OS Onboard Memory: Yes (save DPI and button settings directly to the mouse)
lenovo battery L15L2PB4 L15L2PB5 Laptop Battery for Lenovo IdeaPad 310-15ISK 310-15IKB 310-15ABR 310-15IAP 310 Touch-15IKB/15ISK 510-15ISK 510-15IKB L15C2PB5 L15M2PB5 L15M2PB3 L15C2PB3 L15C2PB7 L15S2TB0 7.6V 30Wh About this item Battery type: Li-ion; Voltage: 7.6V/7.72V; Capacity: 30Wh/39Wh Compatible Models: Fit for Lenovo IdeaPad 510-15IKB/510-15ISK Series; IdeaPad 310 Touch-15IKB/310 Touch-15ISK Series; IdeaPad 310-15ABR/310-15IAP/310-15IKB/310-15ISK Series Replace Part Numbers: L15L2PB4 L15L2PB5 L15C2PB5 L15M2PB5 L15M2PB3 L15C2PB3 L15C2PB7 L15S2TB0 L15S2TBO 5B10K88299 8S5B10K88299 2ICP6/54/90 2ICP6/55/90 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. The actual operation time will depend on how much electricity the device requires and how you use it.
Ready to take your gaming setup to the next level? Look no further than the ViewSonic 32” 75Hz FHD Monitor VA3209-MH. This monitor offers a perfect blend of performance and immersion for gamers. With a generous 32-inch display, immerse yourself in stunning Full HD visuals. Every detail pops with clarity and vibrancy, bringing your favorite games to life in vivid color. Transitioning to performance, the VA3209-MH boasts a smooth 75Hz refresh rate, ensuring fluid motion and reduced motion blur during fast-paced gaming action. Say goodbye to screen tearing and hello to seamless gameplay. Moreover, this monitor features built-in speakers, eliminating the need for external audio devices. Immerse yourself in crystal-clear sound as you explore virtual worlds and engage in epic battles. The ViewSonic 32” 75Hz FHD Monitor VA3209-MH is designed with your comfort in mind. Its ergonomic stand allows for customizable tilt adjustments, ensuring optimal viewing angles for extended gaming sessions. In addition, connectivity options such as HDMI and VGA ports offer versatile compatibility with various gaming consoles and devices. Switch between platforms seamlessly and enjoy your favorite games without limitations. In conclusion, the ViewSonic 32” FHD Monitor VA3209-MH is a game-changer for gamers seeking immersive experiences. With its stunning visuals, smooth performance, and built-in speakers, it delivers everything you need for an unforgettable gaming journey. Upgrade your setup today and elevate your gaming to new heights. Specifications: Display : 32″ IPS Resolution : FHD(1920×1080) Refresh Rate : 75Hz Response Rate : 4ms
BenQ GW2791 27″ 1080p FHD 100Hz IPS Eye-Care Monitor | 3 Years Warranty is designed for work, study, and everyday entertainment. It combines a Full HD IPS panel, a 100Hz refresh rate, and BenQ Eye-Care technologies to deliver comfortable viewing throughout the day. The monitor features a 27-inch IPS display with a Full HD resolution of 1920 × 1080. Therefore, it produces clear images, accurate colors, and wide 178° viewing angles. In addition, it covers 99% of the sRGB color space, making it suitable for office work, web browsing, and media consumption. Moreover, the 100Hz refresh rate and 5ms GtG response time provide smoother motion when scrolling, streaming videos, or playing casual games. As a result, everyday use feels more responsive and fluid. BenQ Eye-Care technologies include Flicker-Free, Low Blue Light, EyeSafe 2.0 certification, and an ePaper mode. Therefore, the monitor helps reduce eye strain during long work or reading sessions. In addition, the anti-glare matte screen minimizes reflections for improved viewing comfort. The monitor includes one HDMI 1.4 port, one DisplayPort 1.2 input, and a headphone jack for flexible connectivity. Furthermore, the stand supports tilt adjustment, and the monitor is VESA 100 × 100 mm compatible for wall or arm mounting. Finally, the BenQ GW2791 delivers smooth performance, accurate colors, and advanced eye-care features for home, office, and everyday computing. Specifications: Display: 27-inch IPS panel with 1920 × 1080 Full HD resolution Refresh Rate: 100Hz with 5ms GtG response time Color: 99% sRGB coverage with 178° viewing angles Eye Care: Flicker-Free, Low Blue Light, EyeSafe 2.0, and ePaper mode Connectivity: HDMI 1.4, DisplayPort 1.2, headphone jack, and VESA 100 × 100 mm support
Lenovo ThinkVision T32h-20 61F1GAT2EU The Lenovo ThinkVision T32h-20 .Do more than just optimize your productivity . with the ThinkVision T32h-20 monitor. An enhanced view of and easy navigation. through documents, spreadsheets, or designs on this sleek display that complements your modern workspace. Its vast 31.5-inch screen with QHD resolution delivers more screen real estate with higher clarity than FHD, making data-intensive work, number crunching, and content editing a breeze. The one-cable solution USB Type-C, HDMI, and DP ports provide multiple interface options. Integrated with Smart Power, the USB Type-C also doubles up. as a charger for dynamic consumption and intelligent power management. Top Features 31.5″QHD (2560 x 1440) 3-side Near-edgeless display USB Type-C one cable solution HDMI, DP ports with USB hub Ergonomic and space-saving design & UE Specifications Brightness 350 cd/m2 Contrast ratio 1000:1 Connection type 1 x USB Type-C Gen1 (DP1.2 Alt Mode)4 x USB 3.1 Gen1 ports (Downstream, incl. 1 x BC) Panel type In-Plane Switching Display stand Lift, Tilt, Pivot, Swivel EU energy class E Power requirement AC 100 to 240 V (50-60 Hz) Brand ThinkVision Anti-reflex Yes Color calibration accuracy Yes Color coverage 99% sRGB Color depth 10-bit Color support 1.07 Billion Measure without packaging 235.0 x 469.4 x 714.6 mm, 9.25 x 18.48 x 28.13 inches Gentle on the eyes Yes Screen dimensions (without foot) 714.6 x 426.0 x 51.0 mm, 28.13 x 16.77 x 2.01 inches Height adjustable Yes Kensington lock Yes Almost borderless Yes Sound bar support (optional) Yes Power consumption 28 W Typ. 138 W Max. TCO Edge 2.0 Display weight (without foot) 6.78 kg, 14.95 lbs. Weight with packaging 12.96 kg, 28.57 lbs. Weight without packaging 9.85 kg, 21.72 lbs. Description The Lenovo ThinkVision T32h-20’s large display can be used to open and work on several documents at once Its near bezel-less design fits into any modern workplace. Integrated USB Type-C dock with charging function up to 75 W (1 x USB 3.1 Type-C upstream. 4 x USB 3.1 Type-A downstream) – Smart Power for energy – TÜV Rheinland Eye Comfort Specifications: Specifications Product name Lenovo ThinkVision T32h-20 Monitor Product type Desktop monitor Display Display size 81.3 cm (32.0″) Physical resolution 2.560 x 1.440 WQHD Aspect ratio 16:9 Contrast 1000:1 Brightness 350 cd/m² Panel technology IPS Viewing angle (horizontal / vertical) 178° / 178° Response time 6 ms Display surface Matt Backlight White LED 1 year warranty
Apple Magic Mouse: Wireless, Bluetooth, Rechargeable. Works with Mac or iPad; Multi-Touch Surface - White (Pre-Owned) Apple Magic Mouse: Wireless, Bluetooth, Rechargeable. Works with Mac or iPad; Multi-Touch Surface – White (Pre-Owned) About this item WIRELESS, RECHARGEABLE CONVENIENCE — Magic Mouse connects wirelessly to your device via Bluetooth. And the rechargeable internal battery means no loose batteries to replace. WORKS WITH MAC OR IPAD — It’s ready to go right out of the box and pairs quickly with your Mac or iPad so you can get to work right away. SWIPE AND SCROLL ON THE MULTI-TOUCH SURFACE — The Multi-Touch surface allows you to perform simple gestures such as swiping and scrolling. And an optimized foot design lets Magic Mouse glide smoothly across your desk. GO WEEKS WITHOUT CHARGING — The incredibly long-lasting internal battery will power your Magic Mouse for about a month or more between charges. Comes with a woven USB-C to Lightning Cable that lets you pair and charge by connecting to a USB-C port on your Mac or iPad. SYSTEM REQUIREMENTS — Requires a Bluetooth-enabled Mac with OS X 10.11 or later or an iPad with iPadOS 13.4 or later.
Arabic Silicone Keyboard Skin Cover for MacBook Pro 13" A1708 Without Touch bar and MacBook 12" A1534 with Retina Display US Layout (Black) Arabic Silicone Keyboard Skin Cover for MacBook Pro 13″ A1708 Without Touch bar and MacBook 12″ A1534 with Retina Display US Layout (Black) About this item Arabic language silicone keyboard skin, US version, perfect fit for your MacBook 12″ A1534, which was released in 2015 & new MacBook Pro 13-Inch 13″ Model A1708 without/no Touch Bar, which was released in 2016; Do not fit for Europe Version MacBook Handmade Skin – XSKN is the original Manufacturer of these “Keyboard Art Skin” silicone covers. They are durable, thin and soft with a cashmere feel. The keys fit snug over the keyboard, smooth surface treatment, suit for regular laptop user who types a lot and quickly Each XSKN silicone skin is heat molded to ensure, each color is paints taking hand screened using silicone paint which is heat fuses into the silicone keyboard skin to become one, making it Soft, ultra-thin, durable and easy to washable High quality silicone raw material assure no extension with longtime using. Every detail clearly prinited, imported ink keep it looking good, rubber coating help to remain in good condition Aside from being beautiful they protect your keyboard from spills, crumbs, animal hair and dust. Washable, can be cleaned easily
The Samsung 27″ 120Hz Essential S3 Monitor LS27F320GAMXUE delivers clear and smooth visuals with a Full HD (1920 × 1080) resolution and 120 Hz refresh rate, which helps reduce motion blur and lag during fast‑moving scenes. Additionally, the IPS panel provides wide viewing angles and consistent color across the screen, making it suitable for work, entertainment, and casual gaming. The monitor includes Game Picture Mode to optimize contrast and color settings for different game genres. Moreover, Samsung equips this monitor with Eye Saver Mode and Flicker Free technology to help reduce eye strain during extended use. Therefore, users can stay comfortable during long work or play sessions. The design features a modern, slim bezel look that enhances any desk setup. Connectivity includes two HDMI 1.4 ports for flexible device connection. Specifications: Display : 27″ Resolution : 1920 x 1080 FHD Refresh Rate : 120Hz Response Rate : 5ms
For gamers who crave an exceptional gaming setup, the ViewSonic VX2728J-2K is your ticket to the ultimate gaming experience. This gaming monitor is designed to bring you into the heart of your games with stunning visuals and high-speed action. First and foremost, the ViewSonic VX2728J-2K features a generous 27-inch display. With this ample screen size, you can immerse yourself in your favorite games, enjoying vibrant graphics and crisp details. But that’s not all! This gaming monitor offers a 2K resolution, ensuring that your games come to life with exceptional clarity and detail, providing you with an edge in your gaming adventures. In addition to its visual prowess, the ViewSonic VX2728J-2K boasts a fast 165Hz refresh rate up to 180hz, delivering ultra-smooth gameplay with minimal motion blur, making it effortless to stay on top of in-game challenges. Furthermore, the monitor features Adaptive Sync technology, ensuring tear-free gaming. This means that your graphics card and monitor work together seamlessly, offering you an uninterrupted and smooth gaming experience. Setting up the ViewSonic VX2728J-2K is a breeze, thanks to its versatile connectivity options. Whether you’re using a PC, gaming console, or laptop, the HDMI and DisplayPort ports have you covered. Transitioning from work to play is made easy with the monitor’s ergonomic design. You can adjust the height, tilt, swivel, or pivot the screen to find the ideal viewing angle, ensuring your comfort during extended gaming sessions. Specifications: 27 Inch QHD (2560x1440p) IPS gaming monitor with thin bezels 165hz and 180Hz refresh rate and 0.5ms (MPRT) response time for ultimate gaming experience AMD FreeSync Premium technology enables fluid and tear-free gameplay Advanced ergonomics (tilt, swivel, rotate and height) for all-day comfort HDR10 content support for deep contrast, rich color, and vibrant details The VX2728J-2K supports laptops, PCs, Macs and more with HDMI, and DisplayPort inputs Specifications: 27 Inch QHD (2560x1440p) IPS gaming monitor with thin bezels 180Hz refresh rate and 0.5ms (MPRT) response time for ultimate gaming experience AMD FreeSync Premium technology enables fluid and tear-free gameplay Advanced ergonomics (tilt, swivel, rotate and height) for all-day comfort HDR10 content support for deep contrast, rich color, and vibrant details The VX2728J-2K supports laptops, PCs, Macs and more with HDMI, and DisplayPort inputs
A reliable pre-owned Dell Latitude 5400 with 14" display, 8th Gen Core i5, 8GB RAM, and 256GB SSD—ideal for business users and students seeking solid performance, security, and durability in a compact form.
A1932 A2179 A1965 Battery for MacBook Air 13″ Retina (2018 2019, Early 2020) EMC 3184 3302 MRE82 MRE92 MVFH2 MWTJ2 MVH22 MVFM2 MVFK2 MREE2 MREC2 MREA2 MREF2 MUQT2 MUQU2 MacBookAir8,1 8,2 9,1 📄【Specification】Voltage: 11.4V. Capacity: 49.9Wh 4379mAh. Battery Type: Li-Polymer. Condition: Brand new, from high quality materials, top circuit boards and smart chip. 🔋【Replace Part Number】A1965 A1932(EMC 3184) A2179(EMC 3302) 3ICP4/63/119 MacBookAir8,1 MacBookAir8,2 MacBookAir9,1. 💻【Compatible Models】Only fit for MacBook Air 13″ (Model A1932 & Model A2179) Release 2018 2019 2020, fit for MRE82LL/A, MVFH2LL/A, MVFM2LL/A, MVFK2LL/A, MVFJ2LL/A, MVFN2LL/A, MVFL2LL/A, MREE2LL/A, MREC2LL/A, MREA2LL/A, MREF2LL/A, MRE92LL/A, MWTJ2LL/A, MVH22LL/A, MVH52LL/A, MVH42LL/A, MWTL2LL/A, MWTK2LL/A. Please kindly check the model number at the bottom of your laptop (A****). NOT FIT FOR MODEL A2337. 💻【ANTIEE Promise】Each products has undergone rigorous testing to ensure the correct voltage, circuit protection, stable current, low self-discharge and CE / FCC / RoHS Certified for safety. About 500 recharge cycles over the life.
Asus VG248QG Gaming Monitor -24″ 24” Full HD gaming monitor with an ultra-fast 165Hz(overclockable) refresh rate and Adaptive-Sync technology to eliminate screen tearing and choppy frame rates Certified as G-SYNC Compatible, FreeSync Premium technology delivering a seamless, tear-free gaming experience by enabling VRR (variable refresh rate) by default. 0.5ms* response time for smooth gameplay, and ASUS Extreme Low Motion Blur (ELMB) Technology to further reduce ghosting and motion blur ASUS-exclusive GamePlus hotkey for in-game enhancements while GameVisual for optimized visuals TUV Rheinland Certification for Flicker-free and Low Blue Light technology to ensure a comfortable viewing experience Supports both Adaptive-Sync with NVIDIA GeForce* graphics cards and FreeSync with AMD Radeon graphics cards *Compatible with NVIDIA GeForce GTX 10 series, GTX 16 series, RTX 20 series and newer graphics cards
A4Tech Wireless Keyboard & Mouse Combo USB | 3000N
Genuine-spec bilingual UK/Arabic layout keyboard replacement for MacBook Pro 13″ (Model A1708, 2016–2017)—featuring Apple’s second-generation Butterfly mechanism, backlighting, and OEM fit for seamless typing in both English and Arabic. Compatible With: MacBook Pro 13-inch with Touch Bar (2016 & 2017 models, A1708, Model Identifiers MacBookPro13,1 / MacBookPro14,1). Layout: Bilingual UK/Arabic—primary legends in Arabic, secondary (top-left) legends in UK English (QWERTY). Includes £ symbol, Arabic numerals (٠١٢٣…), and standard Arabic character set aligned with Apple’s regional configuration. Keyboard Type: Apple’s 2nd-generation Butterfly mechanism—thin profile with reduced key travel; requires careful handling and clean environment during installation. Integrated Features: Backlit keys (essential for low-light use—legends remain legible) Ambient light sensor support Original-style ribbon cable connector for direct logic board attachment Backlit keys (essential for low-light use—legends remain legible) Ambient light sensor support Original-style ribbon cable connector for direct logic board attachment Build & Fit: Precision-engineered to match Apple’s original dimensions, key alignment, and top-case curvature—ensures consistent actuation and aesthetic continuity. Installation Note: Keyboard is fully glued into the top case. Replacement requires complete disassembly, meticulous adhesive removal, and professional re-gluing. Recommended for certified or highly experienced technicians only.
