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Is it worth installing smart peepholes? I used the doorbell for two years and added a peephole, just for the screen in the room
I used the doorbell for two years. When my mom came to live there, I took out my phone and flipped through reading glasses to find an app to see who was outside. Only then did I realize how awkward it was to have no screen in the house. What is the difference between a peephole and a doorbell? How do you measure the aperture and door thickness? How do you calculate battery life? The privacy red line facing the door—all explained in one go....
