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

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

<p><b>specification: </b><br></p><p>1.DC 9V battery operated (battery not included) </p><p>2.Photoelectric chamber for early detection from all directions </p><p>3.Loud>85dB(A)alarm signal </p><p>4.Flash alarm indicator(red LED). </p><p>5.Test button for easy recommended monthly testing </p><p>6.Low battery signal </p><p>7.Safety clip feature,not allow mounting of smoke alarm without battery installed </p><p>8.Ceiling mounting </p><p>9.Easy to install with mounting bracket </p><p>10.10 years life time</p><p><b>Friendly note: </b></p><p>1.User to install this product needs to comply with all local and national electrical installation and building codes. </p><p>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. </p><p>3.If a bedroom area hallway is more than 30 feet long, install a smoke alarm at each end. </p><p>4.If there is a basement: install a smoke alarm on the basement ceiling at the bottom of the stairwell. </p><p>5.Typical multi-storey dwelling installation recommendations: Install a minimum of one smoke alarm on each occupiable level of the home. </p><p>6.Install a smoke alarm on the ceiling or wall inside each bedroom and in the hallway outside each separate sleeping area. </p><p>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. </p><p><b>Package Includes:</b></p><p>2x smoke detector</p>