Jemay 10 Year Lithium Battery Photoelectric Smoke Detectors,Ultra Thin Design Smoke Detetor,Smoke Alarm with Automatic Brightness Adjustment, Fire Safety with Self-Test and Easy Test Button,2 Packs
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
Upgraded Photoelectric Smoke Alarm: Equipped with a cutting-edge photoelectric sensor, the smoke detector provides 24/7 monitoring and 360° protection, to keep your safe every minute of every day
Automatic Adjustable LED Indicator: With ambient light detection, this smoke detector will change the brightness of the LED light according to the surrounding light so it will not disturb your sleep at night
Ultra-Slim Design: With a slim 1.2 inches thickness and compact design, this smoke detector can be easily carried and easily installed anywhere
Large Test/Silence Button: Smoke detectors will constantly monitor themselves to ensure they are working properly. With a large button to easily test or mute the alarm without the need for a ladder