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.
The FRM-1 Relay Control Module is intended for use in intelligent, two-wire systems where the individual address of each module is selected using the built-in rotary switches.
Charge decay <0.1 Sec Velcro band available in black Comfortable wristband with 4mm snap 1 Meg Ohm resistor for added safety Standard Banana jack Alligator clip