Test Button – Tests unit’s electronic circuitry, horn, and battery function.Tamper Resist Locking Pin – Helps deter theft or tampering.
Battery Operated – Low battery light will indicate you when to change battery.
Photoelectric smoke detector ensures more accuracy.
Transmitting Distance: 50m
Power Supply: DC35mA
Alarm Current: 16.5mA
Static Current: Max 13uA
Operating Temperature: -10℃~55℃
Relative Humidity: Max 90% (Non-condensing)