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: 80-100m (in open air) 

Power Supply: 3V-12V 9V 

Transmitting Currency: Max 7mA 

Operating Temperature: -10℃~40℃ 

Relative Humidity: Max 90% (Non-condensing)  

Size: 69.8*35.8*11mm