The Ring Video Doorbell 4 is the company’s latest battery-powered doorbell, providing a smart and sleek security solution at the front door. It offers 1080p HD video, dual-band Wi-Fi connectivity (2.4 or 5.0 GHz) and motion detection. Integrated technology allows for Color Pre-Roll, a video preview for up to four seconds before motion is detected. Users can also answer the door from anywhere with two-way talk or automated QuickReplies, and the replaceable face plates are available in multiple colours.
评审团评语
With its high technical level and variable front plates, the Ring Video Doorbell 4 meets the requirements for a secure and modern video doorbell.
