It’s not often that these devices come cheap and it can be expensive to start up a home security ecosystem. However, if you’re willing to compromise a little – such as by picking up a refurbished model instead of a brand-new product – prices can substantially drop. The Ring video doorbell is a wired product complete with 1080p HD recording, two-way conversations, 2.4 GHz connectivity, and night vision. You can connect the doorbell to the Ring mobile app to check on your home at any time as well as talk to visitors – expected or otherwise. There is an optional subscription available, Ring Protect, which will save recordings and photos in the cloud.  Also: What are the best cheap video doorbells, and are subscriptions required? Also: The best video doorbells: Ring, Nest, Arlo, Logitech, and Eufy compared At ZDNET we are constantly scouring the web to find the best deals we can on everything from monitors and TVs to office equipment and home gadgets. If you’re interested in exploring some of the best discounts and deals on the internet, check out our feed.