This is a smoke alarm that detects excessive smoke, harmful gas and CO. It can be ceiling or wall mounted. It would produce grating sounds and red led flashes when it is irritated.
Easy to install with mounting bracket
Operates on a 9V DC battery
Suitable for any room
Safety clip feature, not allow mounting of smoke alarm without batteries installed
Test button for easy recommended monthly testing
Battery low signal
Photoelectric chamber for early detection from all directions