LiftMaster 485LM 12V Battery Replacement Linear Telephone Entry Systems The system can be programmed

The system can be programmed locally using the keypad

It is attached inside the windshield

Armature Plate

Makes any garage door operator compatible with MegaCode transmitters

Latch/Alarm Shunt Timer ¼ - 30 seconds

LiftMaster 485LM 12V Battery Replacement Linear Telephone Entry Systems The system can be programmedLiftMaster 485LM Compatible 12V Replacement Battery Keep your LiftMaster garage door opener running smoothly, even during power outages, with this All Security Equipment certified 12V battery. Designed as a high quality replacement for the LiftMaster 485LM, this battery works with a wide range of LiftMaster DC motor garage door openers and commercial operators that use backup battery systems. Operates the Garage Door Opener as if the power was still