The 2151 low-profile photoelectronic detector uses a state-of-the-art optical sensing chamber. This detector is designed to provide open area protection and to be used with compatible UL listed contro
FZM-1 is a standard-sized module used to monitor and supervise compatible two-wire, 24 volt, smoke detectors on a Class A (Style D) or Class B (Style B) circuit.
Take your pick from 6 loudspeakers (available in charcoal or white) for high-quality sound effects across a range of frequencies - from bass to treble. Mounting brackets can be purchased separately fo