Elivco Smart Door sensor will inform you everytime, when someone enter your home.
When you leave home, it will push notification message to you when the door/window opens or closes, so you can discover the intruder in time. Furthermore, you could share the device to your family members and track the history of sensor activities.
No complicated installation tools are required. The sensor can be installed with double-sided adhesive tape or screws(included) in just a few steps.
To see information about your visitors, download an app Tuya Smart or Smart Life (G Play/App Store).
Sensor supports Google Home/Amazon ALexa, so it can be easilly controlled by voice.
The sensor needs 2x AA batteries, that are not included