◎ Work with Smart Life APP, 1 motion sensor alarm + 2 remotes+ 6 door contacts, ideal for home security protection

◎ Easily choose between two distinct modes – Siren or Doorbell 

◎ Alarm siren 125dB, 2 level volume can be adjusted

◎ Powered by 3*AA batteries

◎ 110° detect angle and 8 meters distance

◎ Extendable with PIR Sensors, Door Sensors etc.