Universal Garage Door Opener Keypad for Liftmaster Chamberlain Craftsman Wayne Dalton Openers Produced Since 1993, Wireless Keypad Keyless Entry, Replaces 877/878MAX 377/977/877/66LM, Safe Security

WIDE COMPATIBILITY: This wireless garage door keypad is compatible with Liftmaster, Chamberlain, Wayne Dalton, and Sears Craftsman garage door openers featuring purple, yellow, red, orange, or green learn buttons from 1993 to present. It is not compatible with Craftsman 200.57933, 57943, 57953, Series 100, CR1150, 139.57943, or 139.57953 models. Openers whose connection protocol is Wi-Fi are not currently supported. It is also incompatible with the Chamberlain 3.0 opener.
KEYLESS GARAGE ENTRY: This garage door opener keypad provides a secure keyless entry system that opens or closes your garage door without requiring a remote or key. The wireless keyless entry system operates your garage door using a 4-digit private code programmed directly into the device. It serves as a replacement for models 877MAX, G940EV-P2, 878MAX, 377LM, 977LM, 877LM, 66LM, and CMXZDCG440.
EASY TO INSTALL AND USE: The keyless entry system features wireless installation and wireless programming. A protective rain cover is included. Large backlit buttons on the keypad ensure quick and simple access. It includes a one-touch closing feature that simplifies closing the garage door.
SECURE AND RELIABLE: This garage door keypad utilizes the latest rolling code technology, which synchronizes easily with existing door opener frequencies to reduce radio wave interference. It has undergone rigorous testing with specialized equipment. This keypad offers 3 channels for 3 door openers, allowing control of up to 3 motor units with a single keypad.
TEMPORARY PASSWORD: A temporary password can be given to maintenance personnel, meter readers, house sitters, and others while you are away, without disclosing your family's private entrance code.
Note: The 'One Touch Close' feature is active only within 15 seconds after entering the password; the duration can be adjusted to 30 seconds by following the instruction manual