1Complete home smart alarm system, including alarm host, door window sensor, infrared sensor, water detector, etc., effectively ensure the safety of your home. 2You can fully control the door alarms for home security through the for Smart Life app on your smartphone, and get instant notifications of the alarms alert in your house or apartment. 3You can add additional door and window sensors, motion detectors, wireless doorbells and water detectors in different rooms of the home security system. 4It supports the expansion of up to 20 sensors and 5 remote controls/keyboards, which can be added to the WiFi alarm station. 5Supports voice control and WIFI network, the alaram system can be easily controlled by voice by away, disarm, and home modes with your voice. Works with for Google Assistant. 6Simple installation, it can be easily set up in minutes without tools, and wireless connection devices will not damage the wall.