Anker has launched the eufy Video Doorbell S4 as part of its new Edge 5.0 home security system, featuring a wide 360-degree field of view and AI-powered tracking technology. The doorbell records in 3K resolution (3072 x 3072 pixels) at up to 24 frames per second, with HDR support and up to 8x zoom, along with two LEDs for color nighttime viewing. The lens also covers 180 degrees horizontally and vertically, allowing for a head-to-toe view of visitors.