1.Independent type roof installation,simple installation and don't need deb ing;

2.Built-in special purpose IC,stable performance,high sensitivity;

3.Using optical principle of smoke measure,can accurately detect the early fire smoke;

4.Can simulate alarm test for alarm detector;

5.Built-in buzzer,can alarm independent;

6.Battery Power:9V/6F22,Monitor state current<10 ua,alarm current<12 ma;

7.Low voltage alarm, when the battery voltage is lower than 6.8V,an voice to remind the user to change batteries;

8.Alarm sounds: ≥85 DB;

9.Environmental conditions: temperature:- 10 ℃ ~ + 60 ℃, relative humidity ≤95% RH(40±2 ℃);

10.Protection area: alarm installation height 6 meters, protection area of 20 square meters; 

11.Overall Size:Φ107X35mm