Smoke Detector Fire Sensors Smoke Alarms for Home Security Fire-fighting Systems

Production Introduction:  Smoke detector alarm (‘alarm’ in short) is a household. Photoelectric smoke-detecting fire alarm, with the capability to detect smoke from the subtle beginning of fire event, make sound and light alarm in real time.    Technical Parameters：  Power Supply：DC9V Lithium battery (6F22/9V);  Static Current：<10uA;  Alarm Current: <100mA;  Emission Distance：≥100m（open space）;  Working temperature： 0℃ ～ +50℃;  Relative humidity：≦95%RH，non-condensing;  Alarm sound：>80dB;    Mute and Testing：  Mute：In smoke alarm status,press the button “Test” to mute the alarm with LED light blinking alone.  Testing： In normal status, press the button ‘Test’to trigger the alarm.    Screw Installation Way:  A. Drill holes on the ceiling with your drill；  B. Insert plastic expansion nuts into the holes；  C. Fasten the installation plate with self-fastening screws；  D. Align the back of detector close to the mouth of the installation plate, clockwise rotate, and the installation