3-in-1 Video Smart Lock for your front door, together with eufyCam 3 for your backyard and garage, so you can enjoy complete home-wide surveillance.See 4K Detail Day and Night Forever Power, Solar StyleUp to 16 TB Expandable Local Storage* (Additional Storage Drive Not Included) (The operating system will occupy a portion of the built-in storage capacity) Bionic Mind AI Differentiates Family and Strangers HomeBase 3 Centralize Security Management See others in this series eufyCam 3C