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Rectangular black and white video doorbell with camera lens and light ring

Nest

Nest NC5100EF Video Doorbell Access 1600x1200 160° IPx4

SKU CH-02CF-6EVAB MPN NC5100EF

A 1600 x 1200 video doorbell with a 160° view, night vision, two-way audio and IPx4 weather resistance that connects via dual-band Wi-Fi

  • Connection optionsWiFi
  • Connection protocolWiFi
  • Product typeAccessories
  • DetailsPower requirements: 16 V AC-24 V AC; requires a 10 VA transf
  • Key featuresKnow who's knocking: Get an alert and talk to visitors at yo
  • Product dimensions4.6 in × 1 in × 1.7 in
  • See visitors clearly with 1600 x 1200 HDR video at 30 fps
  • Cover the whole porch with a 160 degree diagonal field of view
  • Identify faces at night using 850 nm infrared LEDs
  • Talk to callers from anywhere via two-way audio over dual-band Wi-Fi
  • Installs on existing wired doorbell with 16 V–24 V AC transformer

What this device is and who it suits

The Nest NC5100EF is a Wi-Fi video doorbell that replaces an existing wired chime and lets you see and speak to visitors from a phone app. It needs a 16 V to 24 V AC transformer rated at 10 VA and a mechanical chime, so it is intended for homes that already have low-voltage doorbell wiring. Renters or properties without wired chimes cannot use it.

How it handles continuous use

The camera streams 1600 x 1200 HDR video at up to 30 frames per second using H.264 encoding, and the 850 nm infrared LEDs provide night vision without an external illuminator. Dual-band 802.11 a/b/g/n/ac Wi-Fi plus 802.15.4 Thread radio keeps the connection stable while the doorbell is awake, and the operating range of -4 °F to 104 °F means the electronics stay functional through seasonal extremes.

The spec that decides fit

The unit requires a hard-wired 16 V–24 V AC doorbell circuit with a 10 VA transformer; battery-only or wireless-chime installations are not supported. If the existing wiring cannot supply that voltage and power, the doorbell will not operate.

How it compares

Measured against everything we stock in Keyless Entry Locks & Readers, at today’s prices. Recalculated every night.

Price $124.99
Pricier than about 58% of the 274 comparable items (median $105.49).

Specifications

Product
Brand nameNest
Model nameNC5100EF
Product typeAccessories
Connectivity
Connection optionsWiFi
Connection protocolWiFi
Size & build
Product dimensions4.6 in × 1 in × 1.7 in
Product weight0.27 lb (0.12 kg)
In the box
In the boxNest Hello video doorbell
Chime connector
15 degree wedge
Release tool
Masonry drill bit
Window decal
Wall plate
Extension wires
Wall anchors
Screws
Quick Start Guide
Software
App supportYes

Questions about this item

How hot or cold can the Nest NC5100EF get while running 24/7?

It is rated for -4 °F to 104 °F operating temperature, so it handles year-round outdoor exposure without overheating or freezing.

What existing wiring must I have for the Nest NC5100EF to work?

You need a wired mechanical chime and a 16 V–24 V AC transformer rated at 10 VA or higher; the doorbell draws power from that circuit.

Will the Nest NC5100EF connect to my 2.4 GHz Wi-Fi router using WPA2?

Yes, it supports 802.11a/b/g/n/ac on 2.4 GHz with WPA2 encryption, so it works with older routers that lack 5 GHz.

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