Google Nest Nest Hello Video Doorbell w/ Exterior Installation Kit

MX71981 Nest Hello Video Doorbell w/ Exterior Installation Kit
MX71981 Nest Hello Video Doorbell w/ Exterior Installation Kit

Product Info


The High Tech Video Doorbell You've Been Waiting For Has Arrived

The Nest Hello lets you know who's there, so you never miss a thing. It replaces your existing wired doorbell and delivers HD video and bright, crisp images, even at night.

It's designed to show you everything at your doorstep; people head to toe or packages on the ground. With 24/7 streaming, you can check in anytime, or go back and look at a 3-hour snapshot history to see what happened. If you like, you can record up to 30 days of video with optional Nest Aware paid subscriptions.

  • HD Video
  • Night Vision
  • 24/7 Streaming
  • HDR
  • 160° Field of View
  • Quiet Time



Makes Other Doorbells Seem Like Dumbbellsfeature

Nest Hello can tell the difference between a person and a thing, then alert you. Even if a visitor doesn't ring the bell. With an optional Nest Aware paid subscription, it can also let you know if it spots a stranger or someone you know.

  • Person Alerts
  • Always on
  • Wi-Fi Connectivity

Say Hello, Even When You Can't

HD Talk and Listen reduces ambient noise so visitors come through loud and clear. And when you can't answer, quick responses let you reply to visitors with different prerecorded messages.

  • HD Talk and Listen
  • Noise and echo cancellation
  • Prerecorded messages

Your Video Stays Safe in the Cloud

We encrypt our connections. Keep data safe and private. And we work hard to protect your information.

  • 128-bit Encryption
  • Secure, private connections
  • Two-step verification

Never Miss a Thing with an Optional Nest Aware Paid Subscription

A Nest Aware subscription comes with 24/7 continuous recording for up to 30 days. You can scan through your entire video history; not just clips, to see what happened. And get intelligent alerts, like when Nest Hello spots a familiar face or a stranger it does not know.

Additional Information:

Visit the Manufacturer Product Web Page for Full Details



System Requirements


Wi-Fi 802.11a/b/g/n/ac, 2.4GHz or 5GHz (WEP, WPA, WPA2 encryption supported). Working broadband internet connection with at least 2 Mbps Upload Speed recommended (DSL may not qualify).

Requires a compatible phone or tablet with the free Nest app and Bluetooth 4.0. Some phones, tablets and networks do not support 1080p.

Use requires creation of a Nest Account and acceptance of Terms of Service, which can be found online at

Video streaming and Nest Aware may be subject to interruptions or failures for reasons beyond Nest's control, like intermittent Wi-Fi or service provider outages. Nest Cam and Nest Aware do not provide third-party monitored emergency notification or response.

Bandwidth Requirements:

For optimal video quality at Full HD 1080p, working broadband internet connection with at least 2 Mbps upload speed per camera recommended (some DSL connections may not qualify).

Cameras will use more bandwidth to stream video when there is more motion in the scene. If you subscribe to an optional Nest Aware paid subscription, your camera streams all video to the cloud for secure offsite storage. You can adjust your camera's video quality to use less bandwidth and monthly data at the cost of video and still image quality.


Make and Model Nest Hello Video Doorbell
Part Number NC5100EF
Imaging Sensor 8.5mm 3-Megapixel (2K) Color Sensor w/ 8x Digital Zoom
Video Resolution Up to HD UXGA (1,600 x 1,200) up to 30 fps w/ H.264 Encoding and HDR
Viewing Angle Diagonal: Up to 160°
Backlight RGB Light Ring and Status Light
IR Lighting 850nm IR LEDs
Minimum Illumination 0 Lux w/ IR LEDs
Wireless 802.11 b/g/n/ac Dual Band WiFi
802.15.4 2.4GHz Low-Rate Wireless Personal Area Networks (LR-WPANs)
Bluetooth LE (Low Energy)
Security 128bit AES with TLS / SSL
WEP, WPA & WPA2 Encryption Supported
IP Rating IPx4: Splashing of water
Water splashing against the enclosure from any direction shall have no harmful effect, utilizing either:
Test a) an oscillating fixture, or
Test b) A spray nozzle with no shield

Test a) is conducted for 10 minutes.
Test b) is conducted (without shield) for 5 minutes minimum.

Temperature Operating: -10 ~ 40° C
Green Compliance REACH compliant
Recyclable packaging
RoHS compliant
Title 20 battery charger compliant
Power 16 ~ 24Vac, requires a 10VA transformer and existing wired doorbell
Dimension 43 x 117 x 26mm
Weight 122g

Package Contents

  • Nest Hello Video Doorbell
  • Chime Connector
  • 15° Wedge
  • Release tool
  • Masonry drill bit
  • Window decal
  • Wall plate
  • Extension wires
  • Wall anchors
  • Screws
  • Quick Start Guide