Practical and Economic - 877max garage door opener keypad for lift master/chamberlain/craftsman Garage Openers with Yellow, Purple, Green or Red/Orange Learn Button. The Chamberlain garage door opener remote and keypad can replace 891lm 893lm 893max 971lm 973lm 81lm 371lm 373lm 877max G940EV-P2 CMXZDCG440 878MAX 376LM 377LM 877LM 977LMUniversal Garage Door Opener/Keypad - 891LM remote replacement is compatible with garage door opener with any of the following Learn Button: Yellow, Purple, Green, Red/Orange. For liftmaster/ chamberlain/ craftsman garage door openers since 1993+. For liftmaster 891LM garage remote and chamberlain 950ESTD remote. Please check your garage door opener learn button first before ordering. NOT for DIP SWITCHES!Feel Free to Buy - The universial lift master remote. For any issue please reach out via our store front page 'Ask a question', we will offer 24/7 hassle-free support. Also you can grant a 1-year warran-ty for every purchaseEnhanced Security - The Lift master garage door remote utilizes security+ 2.0 rolling code technology, which generates a new code with each use. Before programming, make sure your garage door is completely closed. Also please go closely to your garage door opener, otherwise it may fail youThoughful Design - The replacement for liftmaster 891LM remote control is made of ABS plastic, which can effectively protect and prolong the product life. Large and seperate buttons help you make quick activation easily