SanDisk 2TB Portable SSD - Up to 800MB/s, USB-C, USB 3.2 Gen 2, Updated Firmware - External Solid State Drive - SDSSDE30-2T00-G26 SanDisk 2TB Portable SSD – Up to 800MB/s, USB-C, USB 3.2 Gen 2, Updated Firmware – External Solid State Drive – SDSSDE30-2T00-G26 About this item Solid state performance with up to 800MB/s read speeds in a portable drive. (Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes.) Back up your content and memories on a storage solution that fits seamlessly into your mobile lifestyle. Take it with you on your adventures—up to two-meter drop protection means this durable drive can take a beating. (Based on internal testing.) Secure it to your belt loop or backpack for extra peace of mind thanks to the tough rubber hook. From SanDisk, a brand professional photographers trust to take on assignments.
Genuine-spec keyboard replacement for MacBook Pro 13″ (Model A2251, 2020) — choose US QWERTY or UK QWERTY (with £ symbol). Features Apple’s reliable Magic Keyboard with scissor-switch mechanism, backlighting, and precise OEM fit. Compatible With: MacBook Pro 13-inch (2020, Two Thunderbolt Ports, Model A2251, Model Identifier MacBookPro16,1) with Intel Core i5/i7 processors. Layout Options (select at purchase): US Layout: Standard QWERTY with wide Enter key, @ above 2, # above 3, and full function row. UK Layout: QWERTY with £ symbol, tall vertical Enter key, @ accessed via right Alt, and UK-specific punctuation. US Layout: Standard QWERTY with wide Enter key, @ above 2, # above 3, and full function row. UK Layout: QWERTY with £ symbol, tall vertical Enter key, @ accessed via right Alt, and UK-specific punctuation. Keyboard Type: Apple’s Magic Keyboard with scissor-switch mechanism—offering improved durability, quieter typing, and 1mm key travel compared to Butterfly keyboards. Integrated Features: Full backlit keys for low-light environments Ambient light sensor support OEM-style flex cable pre-attached for direct connection to the logic board Full backlit keys for low-light environments Ambient light sensor support OEM-style flex cable pre-attached for direct connection to the logic board Precision Build: Engineered to match Apple’s exact dimensions, key spacing, and top-case curvature—ensures seamless visual and functional integration. Installation Note: The keyboard is factory-glued into the top case. Replacement requires full disassembly, careful adhesive removal, and professional re-adhesion. Recommended for experienced or certified repair technicians only.
BATTERY DELL J60J5 7.6V 55Wh Battery Compatible with Dell Latitude E7470 E7270 7470 7270 451-BBSY 451-BBSX 451-BBSU WYWJ2 R1V85 MC34Y 242WD PDNM2 1W2Y2 GG4FM F1KTM NJJ2H 5F08V P61G001 P26S001 J6OJ5 Laptop Battery About this item SPECIFICATION : Model Name: Standard Rechargeable Li-ion battery Type J60J5 ; Device Type: Notebook battery; Battery Type: Lithium ion; Voltage : 7.6V; Capacity : 55Wh; Cells: 4-cell; Dimensions about 9.37×4.17×0.24in; Weight: About 11OZ / 0.69lb; Condition : 100 % New; Packages includes: 1PC J6OJ5 laptop battery(with free screwdrivers for easy installation) COMPATIBILITY : 7.6V 55 WHr 4-Cell Lithium-Ion battery replace manufacturer part J60J5 J6OJ5 451-BBSX 451-BBSY 451-BBSU R1V85 WYWJ2 MC34Y 0MC34Y 242WD PDNM2 1W2Y2 0F1KTM F1KTM NJJ2H GG4FM 5F08V P61G P61G001 P26S P26S001 battery designed for Dell Latitude E7270 Latitude E7470 7270 7470 Series laptop. SECURITY: ECHEER 55Wh 4-cell J60J5 batteries have passed strict intelligent detection, such as short circuit protection, over-voltage protection, discharge protection, and over-current protection, which is very important for the battery’s use cycle and safety. Also, CE, FCC, and RoHS are certificated. Every one of our replacement notebook batteries is tested to meet OEM specifications.
Remax F41 6″ Wireless Clamp Fan – USB‑C rechargeable (4,000 mAh), 4 speeds, 720° rotation, up to 3 hrs runtime.Modular 3‑in‑1 design with detachable grille, washable parts, and night‑light feature. Model: Remax F41 6-inch Wireless Air Circulating Clamp Fan Power & Battery: Rechargeable 4,000 mAh battery; USB-C charging (~3 hours to full charge), offers ~3 hours continuous use at high speeds Operation Modes: 4 fan speeds, 3‑in‑1 usage (desktop, clamp, or hanging), 720° wide-angle rotation Design Features: Detachable, washable grille plus built-in warm night light Care Tips: Recharge every two months if unused; avoid inserting objects into blades
Genuine-spec touchpad flex cable for MacBook Pro 15″ (Model A2941, 2023, Apple M2)—restores full Force Touch functionality, haptic feedback, and precise multi-touch gesture control during trackpad repair or replacement. Compatible With: MacBook Pro 15-inch (2023, Model A2941) with Apple M2 chip (Model Identifier: MacBookPro19,1) Part Type: Touchpad flex cable only — does not include the trackpad housing, Taptic Engine, or mounting hardware. This is the OEM-style ribbon cable that connects the trackpad to the logic board. Function: Transmits: Touch input coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support: Force Click, three-finger lookup, swipe navigation, pinch-to-zoom, and smooth cursor tracking. Touch input coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support: Force Click, three-finger lookup, swipe navigation, pinch-to-zoom, and smooth cursor tracking. OEM-Quality Build: Matches Apple’s original specifications in: Cable length and routing path Connector pitch and ZIF latch design EMI shielding and flex durability Cable length and routing path Connector pitch and ZIF latch design EMI shielding and flex durability Common Use Cases: Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Installation Note: Requires full bottom case removal and battery disconnection. Cable routes under internal components near the right speaker and logic board. Connects via a ZIF (Zero Insertion Force) socket—must be aligned carefully and latched gently. Recommended for experienced or certified technicians only. Requires full bottom case removal and battery disconnection. Cable routes under internal components near the right speaker and logic board. Connects via a ZIF (Zero Insertion Force) socket—must be aligned carefully and latched gently. Recommended for experienced or certified technicians only.
The Meetion Mini 4000 Black is a compact wireless keyboard and mouse combo designed for clean and convenient everyday use. With a mini-space-saving layout and stable wireless connection, it’s perfect for office work, home setups, and laptop users who want a neat, clutter-free desk. The Meetion Mini 4000 is a stylish and practical wireless keyboard and mouse set made for users who prefer a compact and modern workspace. Its mini keyboard design saves desk space while still offering comfortable typing for daily tasks. The wireless mouse provides smooth control and easy navigation, making this combo ideal for offices, students, and home users. With plug-and-play wireless connectivity, setup is simple—just connect the receiver and start using it instantly. Wireless Keyboard & Mouse Combo for a clean and clutter-free setup Compact Mini Keyboard Design saves space and fits small desks easily Stable Wireless Connection for smooth performance Plug & Play Receiver – quick setup without drivers Smooth Wireless Mouse for accurate control Comfortable Typing Layout for everyday productivity Modern Black Finish suitable for any workspace Ideal for Laptops & Desktops Perfect for office workers, students, and home users needing a compact wireless combo for laptops or desktops. Works with most devices that support USB.
DELL 357F9 11.1V or 11.4V 74Wh Battery For DELL Inspiron 15 5000 Gaming 5576 5577 ,15 7000 Gaming 7557 7559 7566 7567 Laptops Alternant Part Number: 357F9 71JF4 0GFJ6 071FJ4 00GFJ6 P65F001 P57F003 About this item Battery Type:6 cell Li-Polymer Best Quality Voltage &Capacity :11.1V 74Wh 6330mAh , 11.4V 74Wh 6480mAh SANISI Concept: The customer is god, Product Quality and Service must be perfect! We will let every customer feel satisfied Package Contents: 1 pcs Brand New Battery
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.
HP LaserJet M111w Black & White Multifunction Printer, Wireless & Mobile Printing, 600 x 600 dpi Resolution, Print speed up to 20 ppm, 8000-page Monthly Duty Cycle, USB / Wireless Connectivity | 7MD68A White
This 1.8-meter DisplayPort to HDMI cable lets you connect a DisplayPort-enabled PC or laptop to an HDMI monitor, TV, or projector. It delivers clear high-definition video and reliable signal transmission, making it perfect for office work, presentations, and home entertainment. The DisplayPort to HDMI cable (1.8M) is a simple and reliable solution for connecting modern computers and laptops with a DisplayPort output to HDMI displays. Ideal for upgrading your setup, it supports high-quality video output for monitors, HDTVs, and projectors. With plug-and-play functionality and a durable build, it ensures stable performance for both professional and home use. DisplayPort to HDMI Connection for easy compatibility with HDMI screens 1.8M Cable Length ideal for desk and office setups High-Definition Video Output for clear and sharp visuals Plug & Play no drivers required Durable Connectors & Cable Build for long-term reliability Perfect for Work & Entertainment supports monitors, TVs, and projectors Works with devices that have a DisplayPort output and displays with an HDMI input, including monitors, TVs, projectors, and display systems. Ideal for workstations, presentations, and dual-screen setups.
Genuine Apple MagSafe 3 charging cable (2-meter length), originally shipped with MacBook Pro 14"/16" (2021, M1 Pro/Max) and MacBook Pro 16" (2023, M2/M3 Max). Used but fully functional, tested for safe power delivery and data handshake with Apple laptops. Compatibility: MacBook Pro 14″ (2021–2023, M1 Pro/Max, M2 Pro/Max, M3 Pro/Max) MacBook Pro 16″ (2021–2023, M1 Max, M2 Max, M3 Max) Works with Apple 67W, 96W, and 140W USB-C Power Adapters (sold separately) MacBook Pro 14″ (2021–2023, M1 Pro/Max, M2 Pro/Max, M3 Pro/Max) MacBook Pro 16″ (2021–2023, M1 Max, M2 Max, M3 Max) Works with Apple 67W, 96W, and 140W USB-C Power Adapters (sold separately) Connector Type: MagSafe 3 (magnetic, tri-oval tip) on laptop end USB-C on power adapter end MagSafe 3 (magnetic, tri-oval tip) on laptop end USB-C on power adapter end Cable Length: 2 meters (≈6.6 feet) – longer than the standard 1.8m cable, ideal for flexible desk or bedside setups. Condition: Original Apple cable, previously used but fully tested: No fraying, kinks, or exposed wires MagSafe 3 connector intact with strong magnetic hold Charges MacBook at full rated speed (supports up to 140W with compatible adapter) Passes Apple’s authentication handshake (no “Not Supported” warnings) No fraying, kinks, or exposed wires MagSafe 3 connector intact with strong magnetic hold Charges MacBook at full rated speed (supports up to 140W with compatible adapter) Passes Apple’s authentication handshake (no “Not Supported” warnings) What’s Included: MagSafe 3 to USB-C cable only Power adapter NOT included MagSafe 3 to USB-C cable only Power adapter NOT included Why Choose This: Cost-effective alternative to buying new 100% genuine Apple—no third-party risks (overheating, slow charging, compatibility errors) Ideal for backup, travel, or replacing a damaged original cable Cost-effective alternative to buying new 100% genuine Apple—no third-party risks (overheating, slow charging, compatibility errors) Ideal for backup, travel, or replacing a damaged original cable
Genuine-spec touchpad flex cable for MacBook Pro 13″ (Model A2289, 2020, Intel)—restores full Force Touch functionality, haptic feedback, and preci multi-touch gesture control. OEM-quality replacement for damaged or faulty original cables. Compatible With: MacBook Pro 13-inch (2020, Four Thunderbolt Ports, Model A2289, Model Identifier MacBookPro16,2) with Intel Core i5/i7 processors. Part Type: Touchpad flex cable only — does not include the trackpad housing, Taptic Engine, or mounting hardware. This is the OEM-style ribbon cable that connects the trackpad to the logic board. Function: Transmits: Touch input coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support: Force Click, three-finger lookup, swipe navigation, pinch-to-zoom, and smooth cursor tracking. Touch input coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support: Force Click, three-finger lookup, swipe navigation, pinch-to-zoom, and smooth cursor tracking. OEM-Quality Build: Matches Apple’s original specifications in: Cable length and routing path Connector pitch and ZIF latch design EMI shielding and flex durability Cable length and routing path Connector pitch and ZIF latch design EMI shielding and flex durability Common Use Cases: Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is unusable Fixing: Intermittent or erratic trackpad behavior Loss of Force Touch or haptic feedback Complete trackpad unresponsiveness Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is unusable Fixing: Intermittent or erratic trackpad behavior Loss of Force Touch or haptic feedback Complete trackpad unresponsiveness Intermittent or erratic trackpad behavior Loss of Force Touch or haptic feedback Complete trackpad unresponsiveness Installation Note: Requires full bottom case removal and battery disconnection. Cable routes under internal components (speaker, logic board)—must follow original path. Connects via ZIF (Zero Insertion Force) socket—align carefully, never force. Recommended for experienced or certified technicians only. Requires full bottom case removal and battery disconnection. Cable routes under internal components (speaker, logic board)—must follow original path. Connects via ZIF (Zero Insertion Force) socket—align carefully, never force. Recommended for experienced or certified technicians only. Important Compatibility Notes: ✅ Only for A2289 (13″, 4 Thunderbolt ports, 2020, Intel) ❌ Not compatible with: A2251 (2 Thunderbolt ports, 2020) A2338 (M1 MacBook Pro, 2020) Any MacBook Air or 14″/16″ MacBook Pro ✅ Only for A2289 (13″, 4 Thunderbolt ports, 2020, Intel) ❌ Not compatible with: A2251 (2 Thunderbolt ports, 2020) A2338 (M1 MacBook Pro, 2020) Any MacBook Air or 14″/16″ MacBook Pro A2251 (2 Thunderbolt ports, 2020) A2338 (M1 MacBook Pro, 2020) Any MacBook Air or 14″/16″ MacBook Pro
The Stylus Pen is an active capacitive stylus pen designed for smooth and precise writing on all capacitive touchscreens. Featuring a superfine copper nib, palm rejection, and rechargeable battery, it’s perfect for note-taking, drawing, and everyday touchscreen use with iPads, iPhones, tablets, and smartphones. The Superfine Nib Active Capacitive Stylus Pen (Silver) is built for users who want accurate and smooth writing on touchscreens without needing Bluetooth or an app. Its superfine elastic copper tip provides delicate strokes while helping protect your screen from scratches. With palm rejection support, rechargeable battery, and one-click operation, it’s ideal for students, professionals, and creators using iPads, iPhones, and other capacitive touchscreen devices. Superfine Copper Nib for smooth writing and accurate strokes Palm Rejection Technology for comfortable writing experience No Bluetooth / No App Required – one-click operation Rechargeable Battery with up to 10 hours working time Magnetic Cap Design prevents loss and keeps the pen protected Compatible with iOS & All Capacitive Touchscreens Lightweight & Portable ideal for travel, school, and office use Compatible with all capacitive touchscreen devices, including iPad Pro, iPad Mini, iPad Air, and iPhones (11 series and earlier generations), plus most Android tablets and touchscreen phones.
BATTERY DELL M5Y1K Laptop Battery for Dell Inspiron 15 5000 5555 5558 5559 3552 3558 3567 14 3451 3452 3458 5458 17 5755 5758 Series Rechargeable 40WH li-ion Battery Replacement Fit GXVJ3 VN3N0 YU12005-13001D About this item 【Specification】Dell laptop Replacement Battery Type: Li-ion; Voltage: 14.8 V; Capacity 2600MAH/40WH; Cells:4-Cell 【Stability】M5Y1K Laptop Battery Replacement battery for Dell offers 500+ recharge cycles over life of battery 【COMPATIBLE MODEL】(Check description below for more models) Dell 40WH Standard Rechargeable Li-ion Battery Type M5Y1K 14.8V YU12005-13001D 453-BR GXVJ3 HD4J0 M5YIK MSY1K Dell Inspiron 14 15 3000 Laptop Replacement Battery 3558 3458 3567 3452 3565 3459 P60G Dell Inspiron 14 15 17 5000 Laptop Battery 5555 5558 5559 5755 5758 5458 Dell Vostro Laptop Battery 3558 3458 Dell Latitude Laptop Battery 3460 3560 【GUARANTEE】Our Dell M5Y1K replacement laptop battery is 100% Compatible with the originals. Complying with the CE/FCC/ROHS/UL Certified Standard
REMAX RB-M73 5.3 VENATTLE SERIES WIRELESS PORTABLE MUSIC WAR DRUM SPEAKER Powerful Sound with 60W Speaker: Experience room-filling, dynamic sound that captures every musical detail. Dynamic Audio Drivers: Dual bass speakers and tweeters harmonize for highs and lows that sing.** TWS Interconnection: Sync over a thousand units for simultaneous audio bliss. Dynamic RGB Lighting: Watch your music dance with multi-color lights synced to every beat. Emergency Power Backup: Stay charged with convenient USB charging capabilities for those critical moments.**
WiWU WI‑C052 Converter – Compact aluminum adapter enables OTG and fast PD-style charging (≈27 W) with USB‑C/Lightning on USB‑A ports.Supports high-speed 10 Gbps data transfer, is plug‑and‑play, and works across phones, tablets, and laptops. Functionality: OTG-capable USB-A to USB-C (A→C) Data Transfer: Supports USB 3.2 (up to 10 Gbps) and backward compatible with USB 3.0/2.0 Fast Charging: Supports PD profile fast charging (up to ~27W Apple PD equivalent) without triggering charge pop-ups Build: Durable aluminum-alloy shell with silicone lanyard design for portability and heat dissipation Compatibility: Works with smartphones, tablets, laptops—enabling USB-A peripherals, USB-C or Lightning cables Plug & Play: No drivers required; reversible connector design Portability: Lightweight, compact—easy to carry
A reliable pre-owned Dell Latitude 5410 with 14" display, 10th Gen Core i5, 8GB RAM, and 256GB SSD—ideal for business users and students seeking solid performance, security, and portability.
A robust Beurotika cash drawer featuring a 450mm metal body, secure 3-position lock, and compatibility with most POS systems—ideal for retail, restaurants, and small businesses. Secure 3-position key lock: Open, locked, and release-to-print modes for controlled access 6 coin slots + 4 bill compartments: Organized layout for efficient cash handling Heavy-duty steel construction: Reinforced frame and smooth slide rails for daily reliability Standard RJ12 interface: Compatible with most POS systems (e.g., Epson, HP, Bixolon, and Beurotika receipt printers) Auto-open trigger: Automatically opens when connected to a compatible receipt printer during transactions Bottom cable entry: Keeps wiring neat and protected
DELL 7.6V 68Wh/8500mAh 4-Cell GJKNX Laptop Battery Compatible with Dell Latitude E5480 E5580 E5490 E5491 E5590 E5591 Precision 15 3520 M3530 Series Notebook 93FTF GD1JP DY9NT 5YHR4 451-BBZG About this item Dell Authentic OEM Parts. Item Model: GJKNX, Battery Type: Li-Polymer, Voltage: 7.6V, Capacity: 68Wh, Cell: 4 cell. Before purchasing, please open the back cover of the laptop to confirm the battery model and shape. Compatible Battery P/N: 68Wh GJKNX GD1JP 0GD1JP DY9NT 0DY9NT 5YHR4 451-BBZG FPT1C KCM82 MT31P. Compatible Laptop Models: for Dell Latitude 5280 5288 5290 5480 5488 5490 5580 5590 5495 5491 5591 5590 E5480 E5580 E5490 E5590 P72G001 P72G002 P72G003 P60F001 series, For Dell Precision 15 3520 3530 Series ( Only work with type 68Wh battery)
Genuine-spec touchpad flex cable compatible with both MacBook Air A2179 (Intel, 2020) and A2337 (M1, 2020)—restores full Force Touch functionality, haptic feedback, and precise multi-touch gesture control during trackpad repair or replacement. Compatible With: MacBook Air 13″ (2020, Intel) – Model A2179 (Model Identifier: MacBookAir9,1) MacBook Air 13″ (2020, Apple M1) – Model A2337 (Model Identifier: MacBookAir10,1) MacBook Air 13″ (2020, Intel) – Model A2179 (Model Identifier: MacBookAir9,1) MacBook Air 13″ (2020, Apple M1) – Model A2337 (Model Identifier: MacBookAir10,1) ✅ Important Note: Despite different processors (Intel vs. M1), Apple used the same trackpad assembly and flex cable in both A2179 and A2337. This makes the flex cable fully interchangeable between the two models. Part Type: Touchpad flex cable only — does not include the trackpad housing, Taptic Engine, or mounting hardware. This is the OEM-style ribbon cable that connects the trackpad to the logic board. Function: Transmits: Touch input coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support: Force Click, three-finger lookup, swipe navigation, pinch-to-zoom, and smooth cursor tracking. Touch input coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support: Force Click, three-finger lookup, swipe navigation, pinch-to-zoom, and smooth cursor tracking. OEM-Quality Build: Matches Apple’s original specifications in: Cable length and routing path Connector pitch and ZIF latch design EMI shielding and flex durability Cable length and routing path Connector pitch and ZIF latch design EMI shielding and flex durability Common Use Cases: Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Installation Note: Requires full bottom case removal and battery disconnection. Cable routes under the right side of the battery and logic board. Connects via a ZIF (Zero Insertion Force) socket—align carefully and latch gently. Recommended for experienced or certified technicians only. Requires full bottom case removal and battery disconnection. Cable routes under the right side of the battery and logic board. Connects via a ZIF (Zero Insertion Force) socket—align carefully and latch gently. Recommended for experienced or certified technicians only.