NEST Doorbell


Say Hello, even when you can’t!

SKU: NC5100EF Categories: ,
Dimensions 4.6 × 4.3 × 11.7 cm
Power Requirements

16V AC–24V AC; requires a 10VA transformer and wired doorbell


1/3-inch, 3-megapixel (2K) color sensor, 8x digital zoom


HD UXGA 1600 x 1200, up to 30 frames/sec, H.264 encoding, HDR

Field of view

160° diagonal


High-quality speaker and microphone

Night Vision

850 nm infrared LEDs

Operating temperature

5˚F to 104˚F(-15˚C to 40˚C)

Weather resistance

IPx4 rating


128-bit AES with TLS/SSL

In the box

Nest Hello video doorbell
Chime connector
15° wedge
Release tool
Masonry drill bit
Window decal
Wall plate
Extension wires
Wall anchors
Quick Start Guide


Wi-Fi 802.11a/b/g/n/ac, 2.4GHz (WEP, WPA, WPA2 encryption supported)
Bluetooth Low Energy (BLE)
802.15.4 at 2.4GHz

Product requirements

Requires a wired doorbell and chime.