Here is another smart door camera that lets you see who is knocking on your door. The VOTEKI WiFi Intercom comes with motion detection. It informs you on your phone when there is any activity. There are also 6 LEDs for night vision. The device has an aluminum alloy case. It can capture and upload video to the cloud automatically.
The kit comes with the WiFi doorbell, 1 power supply, and everything you need to get started.