LiftMaster Receiver Logic Board (FDOB, REV 500) | LIF-K29-FDOB-500CCB Trolley This uninstalled contact switch is

This uninstalled contact switch is designed for Magnetic Autocontrol MicroDrive barrier systems

2 ON2E/A remotes

#60 Chain) | DKS-9210-389

Keeps all controls near the LCD display convenient for set up

LiftMaster Receiver Logic Board (FDOB, REV 500) | LIF-K29-FDOB-500CCB Trolley This uninstalled contact switch isLiftMaster Receiver Logic Board (FDOB, REV 500) LIF K29 FDOB 500CCB This is a replacement Receiver Logic Board (FDOB, REV 500). For use with various LiftMaster Commercial Fire Door Operators. Check the manual or parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part. Includes 12V, 7A Battery