Smoke Detector Alarm Portable Fire Alarms

Features:
SMT steel filter mesh effectively isolates flying insects to minimize false alarms.
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.
Equipped with photoelectric sensor, providing 24/7 protection with 360 degree access.
2 * AAA batteries (NOT INCLUDED) operated for convenience, low power indication, flame-retardant ABS 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).