Can't hear the doorbell from the back of the house? It's easy to correct that by adding a second doorbell chime.

While it can be hard-wired, the Aqara Smart Video Doorbell G4 is noteworthy because it’s the first battery-powered option that works with HomeKit, Apple’s smart-home system.

The Arlo Essential Wired Video Doorbell is just $49.99 at Amazon as of March 8, down from the normal price of $129.99. That's a 62% discount.

If your wired doorbell is compatible with your home’s chime, such as our the Ring Video Doorbell 2 or the Google Nest Wired (2nd Gen), install the power adapter and connect the wires.

1. Arlo For an affordable hard-wired smart doorbell, give Arlo a try. It comes with smart alerts, a high-res camera with a 180-degree field of view and one particularly good feature ...

For a limited time, when you purchase the Ring Wired Doorbell Pro (formerly Ring Video Doorbell Pro 2) through Wellbots, you can use promo code DIGITRENDS50 at checkout to save 50%. This brings ...

The battery version’s retail packaging will presumably get updated as well. Priced at $179.99, the new wired Nest Doorbell apparently has a release date of Tuesday, October 4.

The Ring Video Doorbell Wired is $38 at Amazon right now. This is a new all-time low price for the Ring Video Doorbell Wired, so there's never been a better time to pick one up.