Smart Doorbells History-Doorbellgears

David Echols April 25, 2025

Smart doorbells start as basic doorbells in the 1870s. They work with springs and chains. In the 1930s new doorbells used radio waves to make sound. These were the first wireless types. In the 1970s ...

Smart Doorbell Reviews

David Echols November 26, 2022

Traditional doorbells are those doorbells which have no advanced technologies such as wireless, video cameras, audio systems, etc. It just simply alerts you that someone has come other side of the ...