Key Features:

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.

Specifications:

Transmitting Distance: 50m 

Power Supply: DC35mA 

Alarm Current: 16.5mA 

Static Current: Max 13uA 

Operating Temperature: -10℃~55℃ 

Relative Humidity: Max 90% (Non-condensing)