Many many years ago, when someone came to your house, they had to knock on your door and you have to go to the door to see who is knocking. Even after the doorbell was invented, you would have required to get up to see who is ringing the bell. But with the addition of cameras with the wireless video doorbell, it is probably easier for us.
Wireless Video Doorbells: Best 5 Wireless Video Doorbells Review with a Twist
Thanks to this invention of the video doorbell because you don’t need to get up to see who is at the door. Plus you don’t even need to be home as these cameras are connected to our devices.