This weatherproof video doorbell lets you record visitors as they approach your door. Equipped with a 2K Sony sensor and built-in Wi-Fi, the Eufy doorbell cam transmits crystal clear images to your smartphone or tablet. And thanks to the internal storage there is no monthly fee! The Eufy doorbell cam works both, wireless or wired. Enjoy half a year of coverage with one charge or unlimited power via a wired connection. Product Features No monthly fee!