eufy Security Video Doorbell S220 Add-on Unit From eufy, where privacy comes first Comprehensive Safety Solutions for Your Home Protects You, Your Family, and Your Privacy Every eufy Security product is engineered to ensure your data is kept private. Keep a secure record of everything that happens around your home A Clear View (2k Resolution) HD resolution combines with advanced WDR and Distortion correction, ensures video is recorded in 2.5x the clarity 180-day battery life Enjoy half a year of surveillance from just one charge. Recharge with ease so you always know whos at your door IP65 Weatherproof Ensures non-stop operation in extreme temperatures from -4°F to 122° F (-20°C to 50°C) Install in an Instant Simply fix the mount and snap on the Doorbell. No need to mess around with complicated wiring, self-installation in minutes Connect the Dots Use your Echo Dot to act as a chime so that you never miss a ring 2.5x the Clarity: The built-in Sony 2K sensor and professional-grade lens