The Napco 2-wire smoke detectors more accurately detect all types of fires for performance superior to previous photoelectric detectors. They come in attractive, low-profile, baseless units with dual LEDs for excellent visibility. The detectors are 100% burn-in tested Enable precision detection of even minute particles.
Firewolf advanced photoelectric smoke detectors utilise two bicolored LEDs for indication of status. In a normal standby condition, the LEDs will flash green every 3 seconds. When the detector senses that its sensitivity has drifted outside the UL-Listed(more...)