Beam Detector Heater Kit for reflectors, 4 used with long range kit

Heating Kit: 15 to 32V: 450mA: For Reflector of Reflected Beam Smoke Detectors
Heating kits for use to prevent condensation with the BEAM1224 conventional beam smoke detectors. They lessen the likelihood of condensation by maintaining the unit at a temperature that is slightly higher than the surrounding air.
Maximum Current Rating 450milliampere
Maximum Operating Voltage 32volt
Minimum Operating Voltage 15volt