The Reolink Battery Video Doorbell delivers sharp 2K 4MP video with a 1:1 head-to-toe view, giving you a complete look at visitors and packages with HDR and clear night vision. Built-in AI detects people, vehicles, animals, and packages without requiring a subscription, sending instant image alerts directly to the Reolink app. Install it wire-free for up to 10 months of battery life on a single charge, or connect it to compatible doorbell wiring for continuous charging and optional 24/7 recording with pre-recording support. Dual-band 2.4GHz and 5GHz Wi-Fi provides reliable connectivity, while flexible local storage options include microSD cards up to 512GB, Reolink Home Hub, NVR, FTP, and optional cloud storage. Two-way audio, voice changing, preset replies, and video call notifications make it easy to communicate with visitors, and compatibility with Google Assistant, IFTTT, and Home Assistant adds seamless smart home integration.