[Remote Monitoring] Through the mobile APP, you can observe the dynamics of smoke in real time. Make your home smarter, no matter how far away from home. [High Sensitivity Smoke Detection] When fire breaks out, the sensor will detect smoke sensitively, and send an alarm ringtone, then push notifications to your smartphone to protect people and property.[80dB Loud Sound] Once triggered, the red LED will flash with loud high volume alarm sound, louder than 80dB. [Excellent Design & Super Quality] Exclusive smoke intelligent algorithm, high sensitivity, no false alarm, strong anti-interference. [Widely Application] Perfect full buckle patented structure, anti-dismantle bracket, easy to install and clean. Widely used in home, factory, school, shop, offices, villas, residential areas where fire prevention alarm is needed.