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Name: Independent Photoelectronic Smoke Detector
Model: PST-SD308
Installation: Ceilling-mounted;
◆Power: 6F22 battery 9V;
◆Battery Life: Standby around 1 year;
◆Detecting Area: 60㎡;
◆Alarm Indicator: Red LED;

Operation Temp: –10°C to +50°C;
◆Woking standalone, no need connect to alarm panel;
◆Batteries & Screws included;
User Manual
Youtube Video
PST-SD308 Specifications
Name Independent Photoelectronic Smoke Detector
Model PST-SD308
Ways Photoelectroic sensor
Power Supply Battery
Battery Type 6F22 Battery DC9V
Alarm Indicator Red LED 
Detecting Area 60 square meter(installation height less than 6m)
Static current 10μA
Alarm current 35mA
Operation Temp. –10°C to +50°C
Humidity 5%--95% non-condensing
Installation Ceiling mounted
PST-SD308 Package List
Smoke x1
Screws x2
Battery x1
Plastic screw plug x2
User Manual x1