2 Pack Photoelectric Smoke Detector & Alarm, Battery-Operated(Not Hardwired) Smoke and Fire Alarm/Detector with Test Button, Photoelectric Fire Dector/Alarm with UL Listed(9V Battery Included)

Complete Home Protection Working smoke alarms cut the risk of dying in a home fire by 50%, and that's important because a home fire starts every 83 seconds! The faster you know about a fire, the faster you can start moving your family outside. The COOWOO smoke alarm with test button allows you to test the unit's functionality. It features a low battery alert to remind you when to change the battery and has a missing battery guard to ensure that a battery is placed inside the alarm. The side battery drawer slides open for easy battery replacement. A blinking power indicator on the unit confirms that it is receiving power. The alarm contains an optional pin to lock the battery and unit in place for tamper resistance. It can be mounted on either the ceiling or the wall and can be used in mobile homes and RVs. Photoelectric technology This is a photoelectric smoke alarm. Photoelectric technology is optimized to detect slow smoldering fires which generate light smoke, little heat and may smolder for hours before bursting into flames. This smoke alarm does 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 your home will be able to hear and respond to the alarm sound. Specifications: 1.DC 9V battery operated 2.Photoelectric chamber for early detection from all directions 3.Loud>85dB (A) alarm signal @3M 4.Flash alarm indicator (red LED). 5.Test button for easy recommended monthly testing 6.Low battery signal 7.Safety clip feature, does not allow mounting of smoke alarm without battery installed 8.Ceiling mounting 9.Easy to install with mounting bracket 10.10 years prodcut life time What You Get: 2 Pack Smoke Alarm, user's manual, one 9-volt battery, 10 years warranty, and 24/7 friendly customer service. Certificate: SAI,UL Approval.