We are offering wireless fire smoke detector sensor. Ce, en14604 standard dc 9v battery operated smoke detector photoelectric sensor, detecting from all directions low battery waring test button for easy recommended monthly testing sound & flash...
Standard magnetic door sensors 12 volt battery included 0.01w stand by current 12v dc battery power supply online technical support 1 yr. Warranty technical specification power supply dc12v battery working frequency 315mhz433mhz gap for triggered...