NuTone Introduces Video Doorbell With Availability This Fall

Touting its history dating back to the invention of the melodious door chime, NuTone announced Thursday the NuTone Knock HD video doorbell. Users can see and speak to visitors over the internet from anywhere via smartphone or tablet, said the company. Features include motion activation, night vision, quiet hours operation and an optional alarm. The $249 video doorbell will be available this fall, said the company.