Reviews

NuTone Knock video doorbell review: This doorbell cam is missing some key features

The Knock does its job, but its motion sensor produced too many spurious alerts and the app left us wanting.
martyn_williams@idg.com

Note: When you purchase something after clicking links in our articles, we may earn a small commission. Read our affiliate link policy for more details.

    Related:
  • Security Cameras
  • Surveillance
  • Smart Home