878Max Universal LiftMaster Chamberlain Garage Door Opener Remote Keypad FCC Certified Compatible with 877LM 377LM 977LM 66LM 877MAX

Wide CompatibilityWorks with LiftMaster/Chamberlain/Sears Craftsman Garage Door Opener featuring a Purple, Red, Orange, Yellow, Green, or Learn Button Since 1993. NOT Support Security+ 3.0 White Learn Button or Dip Switch Opener! Replacement ListReplacement for 377LM 977LM 66LM 376LM 877LM 877MAX 878MAX 940EV-P2 940ESTD CMXZDCG440. Rolling Code Technology For Maximum SecurityThe Garage Door Opener Keypad Utilizes Rolling Code Encryption To Produce A Fresh Wireless Code After Each Use, Offering Dependable Protection For Your Garage. Industrial-Grade Chip Built For Sub-Zero PerformanceThe Garage Door Opener Keypad Incorporates A Thoroughly Tested Industrial-Grade Chip For Consistent Operation In Freezing Temperatures, With No Signal Loss Or Additional Battery Drain.

PIN Access Eliminates The Need For A RemoteThe Garage Door Opener Keypad Provides 4-Digit PIN Access Without Remotes, Features Backlit Buttons For Night Use, And Supports Temporary PINs For Secure Guest Access. Wireless Operation Powered By A Single 9V BatteryThe Garage Door Opener Keypad Operates On One 9V Battery With Wireless Connectivity, Needing No Wiring Or Professional Assistance For Quick DIY Installation.
NOTE: After Entering The Password, The One-Touch Close Function Activates Within 15 Seconds. After 15 Seconds, You Have To Enter The Password Again.