Ecoey Smoke Alarm Fire Detector, Battery Included Photoelectric Smoke Detector with Test Button and Low Battery Signal, Small Fire Alarm for Home, Bedroom FJ136GB, 6 Packs

Accurate & Sensitive: The small smoke alarm adopts photoelectric technology to detect smoke. More sensitive to light smoke and slow smoldering fires and more quickly to remind you. Keep your home safe 24/7
TEST BUTTON: Please test the fire detector once a month. If red LED flashes with “chirp” every 30 seconds, it’s low battery signal, please change battery in 7 days. Small size, DIA 3.3inch. If you have any problem with smoke alarm, please contact us
Easy Installation: The smoke detector can easily install with mounting bracket. No hardwired anymore and you can install it wherever you want, except bathroom and kitchen, keep 3 ft away from the kitchen, bathroom, or other high air flow areas