Liftmaster 877MAX Wireless Garage Door Opener Entry System, Compatible with all LiftMaster Garage Door Openers Manufactured Since January 1993
- COMPATIBLE: 877MAX Keypad Compatible with all LiftMaster garage door openers manufactured since January 1993.
- Security+2.0 and security+ rolling code technology assures a new code is sent every time.
- Completely wireless powered by one 9-volt battery (included).