WiFi Door Alarm System, Wireless DIY Smart Home Security System, with Phone APP Alert, 8 Pieces-Kit (Alarm Siren, Door Window Sensor, Remote), Work with Alexa, for House, Apartment, by tolviviov

✅ALPHA WIRELESS SECURITY SYSTEM – A smart way to offer protection to your house with tolviviov Smart Home Security System. 8-piece kit includes the 1 alarm siren station, 5 windows & door sensors and 2 remote controls. No contracts and No subscription fee.
✅SMART ALARM SYSTEM for Home – tolviviov Alarm Security System is an inexpensive solution for your apartment security. You have got full keep an eye on over the door alarms for home security through your smartphone and get instant notifications of alarms alert in your house or apartment.
✅CUSTOMIZATION – You’ll be able to add extra door and window sensors, motion detectors, wireless doorbell, and water detectors to different rooms in your house security systems;It supports expansion of up to 20 sensors and 5 remote controls/keypads, which can also be added to the WiFi alarm station.
✅DIY INSTALLATION – Easily set up tolviviov Wireless Home Security System in minutes without tools. The wireless connection devices does not damage the wall. The alarm station must ALWAYS CONNECT to AC adapter. The backup battery works for 8 hours, only as an emergency battery.
✅VOICE CONTROL and WIFI Network – Your tolviviov Home Alarm System can also be easily controlled by Away, Disarm, and Home modes with your voice. Works with Alexa and Google Assistant. WIFI connection, Only works on 2.4GHz WiFi network, does NOT beef up 5GHz WiFi networks.