20271 Smoke Detector. Direct Wire 12 and 24 volt

Smoke Detector, Hard Wired, 12, 24 volt

Direct, hard wired conventional photoelectric smoke detector with mounting base

Two LEDs flash every five seconds indicating power to the detector and the detector is working properly

UL listed

4 " diameter, 2" high

Works with Aqualarm Warning Panel 20275

Works with Cellular Alarm Communicator