mini size photoelectric smoke alarm 10 year smoke detector for fire & safety

The mini smoke detector (SR-808) is capable of real-time detecting the presence of smoke, once detect danger of fire smoke, red LED flashes rapidly and detectors sound alarm once detecting smoke fire danger, can alert you and your family timely. It can be widely used in household, office,meeting room,the mall, coffee house, dancing hall any other places need fire alarm monitoring. Free tool installation, once stick once use. more detail：https://www.firealarmfactory.com/small-smoke-alarm.html