LiftMaster Fire Access Box with Micro Switch and Knox Key Switch Option | LIF-AFB120 Q078 This receiver supports up to

This receiver supports up to 42 unique transmitter codes

LiftMaster Limit Switch Kit | LIF-K74-19094

Auto-reverse function

LiftMaster Chassis (#70 Gear Box) | LIF-K09-50230

Built for continuous-duty operation

LiftMaster Fire Access Box with Micro Switch and Knox Key Switch Option | LIF-AFB120 Q078 This receiver supports up toLiftMaster Fire Access with Micro Switch and Knox Key Switch Option LIF AFB120 All in one fire access box. Two options for automatic gate access: The microswitch is activated when the padlock is removed and the front panel is opened. Via Knox key switch. Includes Access door with a hole for a standard or fire department padlock Interior micro switch Knock out for Knox key switch Standard cylinder lock Note Fire department padlock and Knox switch not