【Wide Compatibility】Compatible with LiftMaster/Chamberlain/Sears Craftsman Garage Door Opener with a Purple, Red, Orange, Yellow, Green, Learn Button Since 1993.【NOT Support Security+ 3.0 White Learn Button or Dip Switch Opener!】 【Replacement List】Replacement for 371LM 372LM 373LM, 971LM 972LM 973LM, 81LM 83LM, 891LM 893LM, 893Max 890Max 895Max. 【Easy Programming】Effortless Quick Setup In Just 2 Minutes. Operate The Learn Button On Your Opener And Press The Remote For Fast Pairing. No Skilled Electrician Necessary. 【Reliable Performance】High-Grade Third-Generation Smart Chip Provides Consistent And Trustworthy Performance. Massive 100,000+ Cycle Checks Ensure Long-Term Tough Use. 【Rolling Code Security】Intelligent Rolling Code Technology Resets Security Codes Continuously. It Stops Illegal Code Duplication And Prevents Unpermitted Access. 【What You Get】Complete Package Contents: 2 Handheld Remotes, 2 Pre-Installed CR2032 Cells, 2 Visor Clips And 1 Step-by-Step Manual. 【3-Year Warranty】Avisontek Offers 3-Year Warranty Service And Responsive Technical Support. Every Customer Inquiry Gets A 24-Hour Response. Compatible with LiftMaster/Chamberlain/Sears Craftsman Garage Door Opener with a Purple, Red, Orange, Yellow, Green, Learn Button Since 1993.【NOT Support Security+ 3.0 White Learn Button or Dip Switch Opener!】