Smoke Detector,3 Packs Photoelectric Smoke Alarm Fire Alarm with Light Sound Warning 9V Battery (Included) Powered Fire Safety for Home Hotel School etc Passed UL Certification

Description

Feature：★ This unit is a photoelectric smoke alarm. The photoelectric technology ,it is more sensitive in detecting slow smoldering fires which generate light smoke, little heat and may smolder for hours before bursting into flames.★ This smoke alarm dose not contain any radioactive material.Smoke alarms should be installed in every room (except the bathroom and kitchen),finished attics and basements, making sure the people in the home will be able to hear and respond to the alarm sound.★ Applicable to all kinds of places：The Photoelectric Smoke and Fire Alarm is applicable to Company, Factory, Hospital,Shopping Mall, Hotel, School, Housing,Warehouse,Etc.Product Description：power:DC 9V batteryOperation current:<15uA(standby),<30mA(alarm)alarm volume:>85dB(A)at 3 meters.Low battery warning:6.5-7.8VAlarm sensitivity:1.51-2.64%ft OBSComply with:UL217&CAN/ULC-S531Battery sepecification:DC 9V(Alkaline.Carbon Zinc,Lithium battery)Installation:1.Turn the alarm body counterclockwise and take off the bracket.2.Hold the bracket in the installation position as specified in the Recommended Locations,mark installation holes of the bracket with pencil.3.Drill the two marked installation holes with a 3/16 inch(5mm)drill bit.Tap the two plastic gromments into holes with hammer.4.Mount the bracket to the ceiling by inserting and tightening the supplied screws into plastic grommets.(Refer to Diagram 7).5.Connect the battery to power connector.6.Fix the battery to power connector.7.Fix the alarm on the bracket and turn the alarm body clockwise , until fully inserted on the bracket.♥ Tips: Please read the product brochure carefully！Package:3*1set of smoke alarms(including 9v battery,screws)