Jabo JBS02 Stand Alone Smoke Detector with 9V Battery

Jabo JBS02 Stand Alone Smoke Detector with 9V Battery, Photoelectric sensing technology. Sounding a loud alarm signal exceeding 85 dB in alarm mode, Battery case at the back of a sensor for easy removal of a battery. This alarm is a smoke detector of the photocell principle. This means that the alarm checks the air for smoke resulting from fire. It does not detect heat, gas, or fire. If the smoke detector is properly mounted and maintained it will sound an alarm in an early stage. In the event of a fire, this can give you those extra seconds needed to vacate your home and call the fire brigade. The alarm is designed to detect smoke. It cannot prevent a fire. Read the instructions carefully before using the smoke detector.