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: 80-100m (in open air)
Power Supply: 3V-12V 9V
Transmitting Currency: Max 7mA
Operating Temperature: -10℃~40℃
Relative Humidity: Max 90% (Non-condensing)