The real advantages of easily installed wireless security cameras come with one caveat: You've got to manage that battery ...

The doorbell records color video at night if there’s enough ambient light ... want to worry about charging the battery pack every couple of months. Note that while the Ring Video Doorbell ...

and the Ring Spotlight Cam Battery has two key selling points: it can go just about anywhere, and it features a bright spotlight on the front. Besides that, you get the same slick and intuitive ...

When any of those rings runs low on battery, you have the option to pop it in its charging case to top up away from stationary power. Oura's rings (and other rings that don't have charging cases ...