Ruan White 10 year battery Photoelectric Smoke Alarm Easy installation Detector with Silence Button Conforms to EN14604 Standard 4 Pack

Product power:10-year battery Photoelectric Smoke Alarm. The battery of the smoke detector is an irreplaceable 3V lithium battery with a life of up to 10 years. Alarm Decibel：When smoke alarms detect danger, the built-in buzzer sends out a super loud 85-decibel warning signal that can be heard by people within a three-meter radius by people. Product function：The smoke alarm has a mute button that can be pressed when it is sure there is no danger and is restored to working condition after 8 minutes. Also with automatic adjustment sensitivity maze compensation function, suitable for long-term use, low false alarm rate. Product installation：The smoke alarm device is easy to install and adopts inverted installation, which is simple and stable. Product packaging：4xSmoke Alarm，4x 3V Lithium Ion battery，8xPegs，8xScrews., Weight: 0.00176 pounds, Manufacturer: N\A