“If someone’s doorbell doesn’t work, they don’t want to have to call the electrician,” says Rose, of NuTone. “With wireless chimes, the homeowner can just replace the battery.

The Knock is a wired smart doorbell from NuTone, a company better known for its ventilation fans and range hoods than smart home gadgetry. And in fact, the Knock is based on the D1201 video ...

With the new NuTone® Knock TM Smart Video Doorbell, you do not have to open the door to strangers to know who is on the other side. From this day forward, monitor your entrance door from anywhere ...