Compatibility and purpose Replacement remote for LiftMaster, Chamberlain, Sears, and Craftsman garage door openers made 1993 to present that use Learn buttons colored Purple, Red, Orange, Yellow, or Green. Direct replacement for models 371LM, 373LM, 971LM, 973LM, 81LM, 83LM, 891LM, and 893LM. Note: NOT Support Dip Switch Opener. Why this remote matters Restores reliable access: replaces a lost, damaged, or worn original remote so you can open and close your garage without hassle. Prevents frequent battery changes: the builtin 240mAh lithium battery delivers longer run time than standard coin cells. Improves security: rolling code technology reduces the risk of code theft and supports remote operation from over 164 feet in typical conditions. Simple setup and daily use: designed for easy pairing with Learnbutton garage door motors and sized to carry on a keychain. Key features Wide compatibility: Works with 1993–current LiftMaster, Chamberlain, Sears, and Craftsman models that use a Learn button (Purple, Red, Orange, Yellow, Green). 240mAh capacity lithium battery for extended usage between charges or replacements. Thirdgeneration lowpower smart chip for efficient operation and broader compatibility with Learnbutton openers. Rolling code security with a practical operating range of more than 164 feet. Rigorous reliability testing: subjected to over 100,000 operational cycles to ensure durability. FCC certified for North America. 3year and 24hour online support for peace of mind. Compact, keychainfriendly design for everyday convenience. Typical use scenarios Homeowner replacement: Swap in this remote when the original remote is lost or stops working, restoring normal garage access in minutes. Spare for family members: Keep one on a spare keyring for a spouse, adult child, or regular visitor so everyone has dependable entry. Backup for property managers or rental properties: Provide a secure, easytopair remote for tenants or maintenance staff without changing your main system. Performance and reliability Lowpower chip reduces energy draw while maintaining stable communication with Learnbutton openers. Rolling code prevents simple replay attacks and supports reliable operation at practical distances. Over 100,000 test cycles and FCC certification confirm consistent, safe performance under normal use. What you get Garage door remote compatible with LiftMaster, Chamberlain, Sears, and Craftsman models listed above. Builtin 240mAh lithium battery. 3year and 24hour online support. Important note This remote is not compatible with dipswitch style openers. Ensure your garage opener uses a Learn button (Purple, Red, Orange, Yellow, or Green) before .