System Sensor P4R SpectrAlert Advanced Fire Alarm Horn/Strobe 4-Wire NEW IN BOXNew open box.
Operates on 12 or 24 VDC, compatible with System Sensor sync.
The P4R is a fire alarm horn/strobe by System Sensor. The appliance has adjustable coding and volume settings, as well as adjustable strobe candela (brightness). The P4R is a 4-wire device, with separate horn and strobe inputs.