Screws included for mounting
9v Battery included
High sound alarm Cheap plastic, easy to damage when mounting It works perfect, and it does what its supposed to do at a cheap price. The quality is not High but acceptable. Ón the back of the package there is good explanaition of how to place the smoke detectors in the house so it gives ... Read more
very cheap device, easy to use, great for installing in every room. Runs on a 9V battery (included it the package), has a led to indicate its working and if the battery is low. I can't be sure that it's working - I tried testing it with a burning shredded paper but it did not trigger. Maybe I need to burn the room for testing :) Is there other way to ... Read more
Very cheap, has a test button and runs on a 9V battery. It also has a led to indicate its working and if the battery is low. Tried testing it with a burning paper but it did not trigger. Maybe there wasnt enough smoke. Cheap smoke alarm, great for installing in every room. Very cheap smoke detector! Read more
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