Cpvan Home Alarm System, Wifi Pir Motion Sensor Alarm, Wireless Diy Smart, White ?Smart Home Alarm System - A smart way to protect your house with CPVAN Smart Home Security System. 9-piece kit includes the 1 motion sensor alarm siren, 6 windows door sensors and 2 remote controls. (You can add up to 24 door/window sensors and 10 remotes to the central alarm host.) ?Loud Home Alarm - The CPVAN Wi-Fi Smart Home Security System doubles as a motion detector and an alarm. When the door/window sensors get removed from each other or when the hub detects motion, the alarm hub emits 120-decibel alarm and simultaneously sending push notifications to your smartphone. ?DIY Installation - Easily set up CPVAN Wireless Home Security System in minutes. The alarm station should ALWAYS CONNECT to AC adapter via the cable in the package. The backup batteries of the alarm hub works for 8 hours, only as an emergency battery. ?If No Wifi - If a power or wifi outage occurs, your alarm will continue to function for up to 8 hours on backup battery power, emitting a 120dB alarm to deter intruders when it detects motion or when the door or window is opened.(No app alerts without wifi) ?No Monthly Fees - CPVAN WiFi Alarm System is a one-time purchase at no extra fee. Arm and disarm your alarm system by the remotes or directly from your phone via the Smart Life App.No contracts and No subscription fee. We offer a 60-day money back guarantee, a 3-year manufacturer warranty, as well as lifetime customer support.