High Quality Smoke Sensor

Cordless Smoke Detector Alarm, general purpose ideal for all areas: house, shop, hotel, restaurant, office building, school, bank, library, computer house and storehouse etc. Alert and warn people stay far away from danger field when it detected smoke. The detector adopts the special structure design and ASIC, has the dustproof, mothproof and anti outside light interference feature etc. Alarm test button Easy to install Photoelectric sensor for early detection from all directions Alarm volume: 10 feet to 85 dB Wireless mode: Alarm transmission frequency F: 433MHZ Round Size: R = 102mm, H = 31mm 100% Brand New  Packing Content: 1PCS * Smoke alarm