The entire Ring ecosystem is named after their premiere product, the Ring doorbell alarm system, which is already very common in most affluent neighborhoods.
Ring doorbell as security camera
There are obvious advantages to the ring doorbell as security camera. For one, it’s usually placed next to your front door, and so arouses no particular suspicion. It’s not usually at face height, which makes it difficult to get useful video footage, but you’re almost always guaranteed to capture someone approaching the door.
Ring doorbell alarm system “Works with Alexa”
Another great feature, particularly with large houses, is the fact that you can (via an Alexa skill) get alerted on any of your Amazon echo devices, and your phone, when someone rings the doorbell. This also allows you to talk to the person via 2-way audio and 1-way video communication, so you can talk to the person – and hide the fact that you’re not home.
I don’t recommend using battery power on the ring doorbell except as a backup when your power is out. Most US residential homes have 18VAC power to the doorbell which is just right for the Amazon ring camera, so you can usually just replace your doorbell with the Ring doorbell, with no other modifications, other than maybe drilling new holes in your brickwork.
You might need to change the angle of the doorbell slightly to get a better viewing angle, but electrically it should be fine. If not, you can get a power adapter which will let you plug it in to a regular 120VAC outlet.
Since this is a WiFi-enabled camera, I’ve unwittingly entered into another subject that I’ll now have to broach in the next article; whole-house WiFi.