Wide compatibility: Works with LiftMaster, Chamberlain, Sears, and Craftsman garage door openers made 1993 to present that use a Yellow, Purple, Red/Orange, or Green learn button. Not compatible with dip switch openers. Exact replacement models: Compatible replacement for 891LM, 893LM, 371LM, 372LM, 373LM, 971LM, 972LM, 973LM, 81LM, 83LM, 950CD, 953CD, 950CB, 953CB, 139.53753, 41A61271, HBW2028, 139.53681, 139.53680, 41A7633, 139.30498, CMXZDCG453, 893MAX, 895MAX, 890MAX, G953EVP2. Secure rolling code technology: Uses rolling code to prevent replay attacks and improve antitheft protection for your garage door system. Long battery life and efficient power management: Builtin 240 mAh lithium battery combined with a thirdgeneration intelligent lowpower chip extends battery life and reduces the need for frequent replacement. Proven durability and safety: Passed 100,000 validation cycles and is FCC certified. Housed in a rugged ABS alloy casing to resist drops and daily wear. Reliable range and easy pairing: Operates up to 164 ft (50 m) under typical conditions and pairs easily with compatible opener motors using the learn button on the opener. Compact, practical design: Small form factor fits on a car sun visor or in a pocket for convenient access and storage. Technical details Compatibility years: 1993 to current Learn button colors supported: Yellow, Purple, Red/Orange, Green Battery: 240 mAh lithium (builtin) Power management: Thirdgeneration lowpower chip Range: Up to 164 ft Housing: ABS alloy casing Certification: FCC Tests: 100,000 validation cycles Security: Rolling code technology Support and : 24hour technical support and 3year How this remote solves common problems a lost or damaged remote quickly: Restores convenient remote access without replacing the entire opener. Add a second remote for family or vehicles: Give a household member their own remote or keep a spare in another vehicle. Improve reliability for frequent use: Durable casing and long battery life reduce failures and charging or replacement frequency. Practical applications Home driveway: Mount on sun visor for quick access when leaving or returning home. Multicar households: Keep a remote in each car so all drivers can open the garage without sharing one device. Workshop or detached garage: Use as a dedicated remote at a secondary building where running wiring is impractical. Important note This remote will not work with garage openers that use dip switch coding. Confirm your opener has a Yellow, Purple, Red/Orange, or Green learn button before . What you get Compatible replacement remote that pairs with the listed models 24hour technical support 3year backed by the seller Easy setup tips Locate the learn button on your opener (colors: Yellow, Purple, Red/Orange, or Green). Follow the opener manufacturer's learn/pairing procedure to program the remote. Test the remote from several distances to confirm the operational range.