60% OFF Coupon Code：SmokeAlarm60
Size:1.97in x 1.97in x 1.18in
Unit Type: piece
Alarm volume: 10 feet to 85 dB
【Built-in dedicated IC】With stable performance and high sensitivity.Can monitor air and detect smoke with optical principles. When it reaches the maximum amount that the chamber can bear, it will alert. LED light flash indicator.
【Feature】Independent installation on ceilings and walls,with mounting bracket,which is easy to install and do not need to debug.Suitable for use in house, shop, school, office building, storage areas,etc. With a test button: can take analog alarm tests of the smoke alarm.
【Kindly Note】This Product have two corret test methods：1. You can spray cigarette smoke in to test it whether work;2. You can put the Smoke alarm into a bag to test.Please make sure to use the correct method to test, or it will be not work.Thank you!
【Package Included】1x Gas Detector Alarm Sensor,1x Product Manual,No Include 9VBattery.