The Eufy Security 2K HD Wireless Video Doorbell Set operates on battery power and does not require a home base for functionality. It features a 2K resolution sensor with advanced distortion correction and WDR technology, providing sharp, clear video recordings with 2.5 times the brightness of standard recordings. The 4:3 aspect ratio offers a comprehensive view of visitors from head to toe. Powered by a rechargeable battery, it allows for up to 180 days of operation on a single charge and supports wired installation using existing doorbell wiring. The device includes smart person detection to distinguish between people, animals, and moving objects, reducing false alarms and sending real-time notifications. Video recordings are stored locally for up to 90 days on the included doorbell device, encrypted with AES-256 military-grade security, ensuring data safety even if the camera is removed. With an IP65 weatherproof rating, it withstands temperatures from -20 °C to 50 °C, making it suitable for various climates. Installation is straightforward, involving mounting the bracket and clicking in the doorbell without complex wiring. The set includes a 2K battery-powered doorbell security camera, screws, a positioning card, a mounting bracket, a 15° wedge, a USB charging cable, an extension cable, a doorbell release pin, a chime, and a manual. Please note that it is not compatible with HomeKit and cannot connect to additional cameras without a separate home base.