China (Mainland) Smoke Alarm

Specifications: Our smoke alarms have been tested in smoke and has an aging test for 24 hours. And the battery box in our smoke detector is fixed, but many other factories\'\' products are just used a movable battery connector and power cord to connect the anode and cathode of the battery.

Its parameter is as following, Working Voltage: DC9V(one piece of carbonic battery can be used more than 1 year) Current: Less than 12 micro Ampere as monitoring, less than 10mA as alarming Alarm loudness: More than 85dB at 3m distace Ambient condition: Temperature between -10 and 60 degree Relative humidity: Less than 95%(between 38 and 42 degree) Net Dimension: Diameter 100mmx35mm Net Weight:130g