Our smoke detector is a great household necessity to protect your families' safety, and it is also perfect for using in factory, school, hotel, bank, restaurant and many other places. It is highly sensitive, very easy to install with included screws. when the smoke leakage occurs, the red indicator will flash and remind you, accompanying with a loud alarm sound, and 433MHz wireless alarm signal transmission, to ensure personal safety. And it is operated by 1 pc 9V battery, energy-saving and simple to use. Such a practical smoke detector.
Battery low voltage alarm: The alarm will emit wireless low voltage when the battery is under voltage Code, and the battery emits Wireless low voltage code every 24 hours under continuous low voltage
Easy to install on the ceiling or wall with included screws, and it is operated by 1pc 9v battery(not included), energy-saving and easy to use.
What is the package
1* 433MHz Smoke Detector
2* wall screws