Security keypad; Home and Away preset modes; Eufy Security app; easy installation; S.O.S. mode; lithium-ion battery; up to 180 days of power; requires Eufy Security HomeBase (sold separately)

Geek Squad® Certified Refurbished products are thoroughly, painstakingly and lovingly tested, so you can be sure that your device will work right, right away. Geek Squad® Certified Refurbished products.The Nest Doorbell is the battery-powered video doorbell that works with any home. See what’s happening at your door from anywhere and get intelligent alerts about important activity, like when there’s a person, package, animal, or vehicle.* And because there are no wires, you can install it yourself.