LiftMaster FDO RPM Sensor Kit | LIF-K74-16437 33203 The Magnetic Autocontrol 24V LED

The Magnetic Autocontrol 24V LED Traffic Signals are high-visibility red and green signal lights designed for vehicle access control and barrier systems

Tail gate alarm-K1 relay can be programmed to fire when a tail gate is sensed on the closed loop

Doorking Brace Speed Control Panel | DKS-9200-918

LiftMaster 203050

LiftMaster FDO RPM Sensor Kit | LIF-K74-16437 33203 The Magnetic Autocontrol 24V LEDLiftMaster FDO RPM Sensor Kit LIF K74 16437 This is a replacement RPM Sensor Kit (FDO). For use with various Commercial Fire Door Operators. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part.