4 Pack General Purpose Smoke Detectors Safety Sensor Alert 9v Battery Included

Packing content:✔️4 x Smoke AlarmSpecifications:Alarm volume: 10 feet to 85 dBRound Size: R = 102mm, H = 31mmPowered by battery (Included)Usage: Fire, SmokeIs customized:no

▪️ The fire alarm can easily install with mounting bracket. No hardwired anymore and you can install it wherever you want.
▪️ The 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.
▪️ It is a smoke detector alarm, general purpose ideal for all areas, house, shop, hotel, restaurant, office building, school, bank, library, computer house and storehouse etc.
▪️ When the fire alarm detects smoke or detect combustion particles in the air, it will sound their alarms and the red LED will flash rapidly to remind you to check.NOTE:The smoke alarm is less sensitive and requires a smoke maze to trigger the alarm. If testing is required, the test needs to be simulated in a closed, real smoke environment.

On Oct 27, 2026 at 21:33:39 PDT, seller added the following information: