This video intercom is easy to install on a power supply of 12VDC (direct current). This intercom from Hikvision is easy to connect to the internet through WiFi. In addition to the option to set the WDR (light incidence) the images can also be easily stored on a Mico-SD card.
The intercom has a nice robust style and is easy to change color with the included fronts. This intercom from hikvision has a viewing angle of 180 degrees and motion detection. The Hikvision intercom the Hik Connect app can be easily operated.