Battery Charger or Power Supply?

As I bring my electric air conditioning project to a not-completely-resolved close for the season, I want to talk about ...
Homes and Gardens on MSN

I Tested the Arlo 2K Video Doorbell – It's a Versatile Option That Does Exactly What It's Supposed To, but It's Not Without Its Quirks

V ideo doorbells offer a solution to answering the door, and keeping an eye on the front of our properties, while we're away ...