Jemay Detector, Photoelectric Smoke Alarm with 9V Backup Battery, Hardwired Interconnected Smoke Detector, Fire Alarm with Test/Silence Button for Home, 1 Pack

Features

• [Protect Your Family with Advanced Smoke Detectors] Photoelectric smoke sensor responds in 1 second, and is 5 times more accurate than traditional sensors, helping reduce false alarms and faults. Hightly sensitive real-time detection, secure your home with Jemay
• [Hardwired Alarm with Replaceable Battery Backup] Use 9V replaceable battery. It can not only operate on 120V AC lines, but also provide backup batteries during power outages to ensure uninterrupted home safety checks
• [Wired Interconnection Alarm] The smoke detector has a hardwired interconnection function and can connect up to 12 devices. Alarm uses hardwiring to connect with other alarms, when one goes off they all do
• [Low Battery-Non Disturb] Fire detector with test-silence button. When low battery warning, press the test button, it can effectively mute for 10 hours. Fault warning , when the battery smoke detector is malfuntioning, a chirp will occur between flashes of the red LED
• [Sound & LED Warning] When the fire alarm detects smoke or detect combustion particles in the air it will sound their alarms(Alarm volume: > 85dB(A) @ 3 meters) and the red LED will flash rapidly. The LED light and alarm will continue until the air is cleared or the test button is released