Asenware Fire Alarm Smoke Detector uses a state-of-the-art optical sensing chamber. This detector is designed to provide open area protection and to be used with the most conventional fire alarm panel.
Operating Voltage Range: 9 to 28 VDC Non-polarized
Standby Current: ≤120uA@24VDC
Maximum Alarm Current(LED on): ≤15mA@24VDC
(1K Ohm current-limiting resistance)