10 pcs Fire Smoke Sensor Detector Alarm Tester Home Security System Cordless

Features:
It is a fire 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

Description:
This smoke detector detects the smoke to make sure everyone is awakened and alerted in case of a fire emergency. The detector is suitable for detecting the smoke in home, room, shop, hotel, restaurant, office, school, bank, library, computer house, storehouse and etc
Easy to install
Photoelectric sensor for early detection from all directions

Specifications:
Alarm volume: 10 feet to 85 dB
Round Size: R = 102mm, H = 31mm
Powered by 9V battery (Not Included)
Usage: Fire, Smoke
Model Number: family guard

Packing content:
Smoke Alarm x 10 pcs
screws x 20 pcs