Amazon has launched its very first 2K video doorbell, the Blink Wired Doorbell 2K+. Plus, there's a battery version as well, which obviously costs slightly more than the wired one. The Blink Doorbell 2K+ offers 1920 x 1920p resolution and a 140° field of view. The gadget comes with person detection and two-way audio with noise cancellation.
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