Ezviz, a subsidiary of Hikvision, offers smart security for the private sector and small businesses. They use the technology and know-how of Hikvision and have some nice cameras in their package. Many cameras have WiFi, built-in microphone and speaker, good day and night vision and smart tracking combined with PTZ functions.
They also have completely wireless (on rechargeable batteries) cameras suitable for outdoor and indoor use.
In addition, in the package they have an alarm system with wireless sensors linked to a smart camera for indoors.
But also the popular WiFi doorbell with free App is not missing in their package.