Smart home security company Ring has announced a new battery-powered doorbell. The $229.99 Battery Doorbell Pro builds on the Ring Battery Plus released last year — which brought 1536p HD video and a head-to-toe view to Ring’s wire-free doorbell line — and adds 3D Motion Detection powered by radar instead of passive infrared sensing. This should give more accurate alerts and not try to tell you that a tree branch is a person. There’s also dual-band Wi-Fi, color pre-roll, color night vision, and noise-cancelling audio.
Ring now sells three wireless battery doorbells: the Video Doorbell (second-gen) for $100, the Battery Plus for $150 (down from its launch price of $180), and the Battery Pro for $230. The new top-of-the-line Pro has…
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