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NuTone Knock Video Doorbell

Smart Video Doorbell Camera

Visibility and Security – whether you're home or away No more wondering "Who's there?" No more guessing if the children get home safely from school, or whether the mailman delivered your package. NuTone Knock lets you know when someone is at your door. The motion-sensing camera works day or night, so you never miss another visitor. You can even speak to anyone who rings the doorbell from anywhere in the world – with the convenience of your smart phone or tablet. The Do Not Disturb feature lets you set quiet hours for family time, movie time or naptime. Ideal for challenging weather conditions, NuTone Knock can handle the sweltering heat of the desert or the extreme cold of the upper Midwest. With an IP65 rating to protect against dust and water, it is more dependable than other leading brands. NuTone Knock works with a home's existing doorbell wiring and installs in minutes.




  • Weatherproof to protect against dust and water
  • Rated for temperatures as low as –22°F and as high as 122°F
  • More dependable in extreme weather than the other leading brands
  • See your entire entry area with the 180° view 720p HD camera
  • Night vision camera for low light conditions
  • Speak to visitors with two-way audio
  • Receive alerts when someone approaches the door
  • Block out high traffic areas to reduce false motion alerts
  • Heat sensor prevents nuisance motion triggering from leaves and debris
  • Set quiet hours to turn off the chime
  • Make sure visitors do not disturb the baby's nap, family time or movie night
  • Record video or take snapshots on demand
  • Automatically saves a snapshot whenever the doorbell button is pressed
  • Automatically saves video to the cloud whenever motion is detected or the button is pressed. Requires cloud storage service starting at $2 monthly
  • Feedback from the doorbell guides you through the installation process, no need to find or replace the transformer
Knock Subscription

Knock Subscription

Automatically saves video to the cloud whenever motion is detected or the button is pressed. To select a cloud storage subscription plan, please visit the Knock Subscription website.

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Knock Support

Knock Support

View Frequently Asked Questions, troubleshooting help and quick set-up tips for your Knock Smart Video Doorbell.

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  • Specs
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Color Finish
Illuminated Yes
Push Button Type Wired
Material Plastic
Subcategory NuTone® Knock™ Doorbells
Product Depth 1
Product Height 5.5
Product Width 2
cULus Listed No
Frequency (Hz) 60
Installation Type Surface Mount
Voltage 120
UL Listed No
ADA Compatible No
Battery Included No
Audible Alarm No
Motion Sensing Yes
Portable No
Manufacturer Warranty 1 Year Limited
NuTone Knock Smart Video Doorbell
How to Install the NuTone Knock Smart Video Doorbell
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