Smoke Detector Fire Alarm, 2 Packs Photoelectric Smoke Detectors with UL Listed, 9V Battery Operated Smoke Detector (9V Battery Included), 10 Years Life Time, Fire Safety for Home, Hotel, School etc;

specification: 

1.DC 9V battery operated (battery not included) 

2.Photoelectric chamber for early detection from all directions 

3.Loud>85dB(A)alarm signal 

4.Flash alarm indicator(red LED). 

5.Test button for easy recommended monthly testing 

6.Low battery signal 

7.Safety clip feature,not allow mounting of smoke alarm without battery installed 

8.Ceiling mounting 

9.Easy to install with mounting bracket 

10.10 years life time

Friendly note: 

1.User to install this product needs to comply with all local and national electrical installation and building codes. 

2.Typical single storey dwelling installation recommendations: Install a smoke alarm on the ceiling or wall inside each bedroom and in the hallway outside each separate sleeping area. 

3.If a bedroom area hallway is more than 30 feet long, install a smoke alarm at each end. 

4.If there is a basement: install a smoke alarm on the basement ceiling at the bottom of the stairwell. 

5.Typical multi-storey dwelling installation recommendations: Install a minimum of one smoke alarm on each occupiable level of the home. 

6.Install a smoke alarm on the ceiling or wall inside each bedroom and in the hallway outside each separate sleeping area. 

7.If a bedroom area hallway is more than 30 feet long, install a smoke alarm at each end install a smoke alarm at the top of a first - to- second floor stairwell. 

Package Includes:

2x smoke detector