Jemay Detector with Battery Backup,Smoke Detectorwith Self-Check Function, 1 Pack

Features

• [10 Year Lifespan] This smoke detector uses an upgraded photoelectric sensor for more accurate detection and faster response, and a sealed 10-year lithium battery lasts the entire life, so you don't have to worry about replacing the battery
• [Install in Only Minutes] Smoke alarms can be mounted quickly and cleanly with this magnetic assembly system. Magnets and screws are included, you can choose any installation method you need
• [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
• [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