Wide Compatibility: Compatible with LiftMaster, Chamberlain, Sears Craftsman, Genie, and Linear garage door openers. Does NOT support Security+ 3.0 white learn button or dip switch openers.
Replacement List: Replacement for 377LM, 977LM, 66LM, 376LM, 877LM, 877MAX, 878MAX, 940EV-P2, 940ESTD, and CMXZDCG440. Rolling Code Technology for
Enhanced Security: This garage door opener keypad utilizes rolling code encryption to create a new wireless code after each use, delivering dependable protection for your garage. Industrial-Grade Chip Engineered for
Sub-Zero Performance: Incorporates a rigorously tested industrial-grade chip for consistent operation in freezing conditions, with no signal loss or additional battery consumption. PIN Access Removes the Need for a
Remote: Provides 4-digit PIN access without remotes, features backlit buttons for nighttime use, and allows temporary PINs for secure guest entry. Wireless Operation Powered by a Single 9V
Battery: Operates on one 9V battery with a wireless connection, 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 must enter the password again