Smoke Detector Fire Alarm

Features:
Adopts photoelectric sensor with MCU, a faster sensing technology at detecting the dangerous situation.
Quick respond and alarm with loud sound output of 80dB at 3 meters when danger detected.
Smoke alarm with flashing red LED, high sensitivity, with test and silence button.
1 * 9V 6F22 battery (NOT INCLUDED) operated for convenience, low power indication, flame-retardant PC material.
It can be quickly installed in your home without requiring an electrician, no wire needed, not hardwired.
Sleek profile with glossy white, easy to integrate with home, office, hotel, school, factory, etc..
Note: avoid installations in places with stagnating smoke, heavy dust, heavy water mist, heavy oil mist, great humidity (95%RH) and high wind speed (5m/s).