1Exclusive intelligent smoke algorithm, high sensitivity, no false alarms, strong anti-interference ability. 2With sound and light alarm function, wireless transmission, can be connected to the alarm host. 3Comprehensive 360 degree smoke alarm detection without dead angle. Alarm sound is loud, greater than 80dB. 4Ultra low power microcontroller + photoelectric technology principle, protect your safety. 5When the alarm with low battery alarm function detects that there is a certain concentration of smoke around, the alarm will sound and light alarm and wireless transmission to the alarm host.