Ring doorbell with camera from (ring), the most famous global company for doorbells

Doorbell with camera from Ring, the most well-known doorbell company. Easy installation, there are video clips available for setup, and you can connect your mobile phone to the doorbell to know who is at the door. There are two ways to hear the doorbell: 1- Through the mobile phone, easily connected via the app 2- Through an additional device that can be placed inside the house The device package was opened but didn't suit me because the device is wired Price 450, negotiable within reason