Technical parameters:

power supply: 3 festival5 no. Battery;

monitoring current: less than 35uA(Can work for more than one year);

alarm current: 20mA left and right;

alarm concentration: 50(± 30%) ppm carbon monoxide gas

low voltage warning threshold voltage: 3V ± 0.3V;

operating Environment: Temperature: 0℃~45℃, relative humidity:20% ﹪ ~95 no condensate;

alarm sound: Front 3 more than meters85 decibel;