[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] The fire alarms smoke detectors is 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 9v 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