Alpha BMMB Motion Detector Modules for modular door stations Brown

The BMMB is a motion detector module designed to be used with modular series door entry stations. It for detection of movement in the area by station(s). 3.94"w x 3.94"h (100mm 100mm), and made snap into MT panel trim frame(s). service it, once installed, use model 13510 key / tool unit.