About this item

• 【Wide Compatibility】Compatible with LiftMaster/Chamberlain/Sears Craftsman/Genie/Linear Garage Door Opener.【NOT Support Security+ 3.0 White Learn Button or Dip Switch Opener!】
• 【Replacement List】Replacement for Garage Door Opener Keypad G940EV-P2 940EV 940EV-P2 940ESTD 377LM 977LM 66LM 376LM 877LM 877MAX 878MAX CMXZDCG440.
• 【Rolling Code Technology For Maximum Security】This Garage Door Opener Keypad Uses Rolling Code Encryption To Generate A New Wireless Code After Each Entry, Ensuring Full Garage Security.
• 【Industrial-Grade Chip Built For Sub-Zero Performance】This Garage Door Opener Keypad Features A rigorously Tested Industrial-Grade Chip For Stable Operation In Freezing Temperatures, With No Signal Loss Or Excess Battery Drain.
• 【PIN Access Eliminates The Need For A Remote】This Garage Door Opener Keypad Provides 4-Digit PIN Access Without Remotes, Includes Backlit Buttons For Night Use, And Supports Temporary PINs For Guests.
• 【Wireless Operation Powered By A Single 9V Battery】This Garage Door Opener Keypad Operates Wirelessly On One 9V Battery, Requiring No Wiring Or Professional Installation For Fast DIY Setup.
• 【FCC Certified + Backed By A 3-Year Warranty】This Garage Door Opener Keypad Complies With Strict FCC Standards And Includes A 3-Year Manufacturer Warranty For Reliability And Peace Of Mind.
• 【NOTE : After Entering The Password, The One-Touch Close Function Activates Within 15 Seconds. After 15 Seconds, You Have To Enter The Password Again.】