The SpectrAlert Advance MP120K mounting plate is designed to use 120 VAC to power SpectrAlert Advance horns, strobes, horn frasl strobes, chimes and chime frasl strobes.
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.