4MP Super HD PoE Add-on Camera

  • Power over Ethernet
  • Audio Recording
  • IP66 Waterproof
  • Motion Detection

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Help Me Choose


D400 cannot work independently. It works perfectly when connected to Reolink 8-channel NVR RLN8-410, 16-channel NVR RLN16-410, or Reolink PoE surveillance systems.

An Incredible 4MP Super HD IP Camera

With 2560x1440 high resolution, this top-notch PoE security camera can capture beautiful and smooth 4-megapixel live video streaming and video clips than 720p and 1080p cameras. It helps to see more clearly, and no details will be missed!

The video shared by Darryl M., a Reolink customer.

Good Night Vision, for Peace of Mind at Night

18pcs infrared LEDs and advanced IR technology make Reolink D400 an excellent night vision security camera, letting you see any event clearly even in the dark.
With a long night vision distance up to 100 feet, you can accurately identify people present in the event through videos captured by this robust PoE video surveillance camera.

18 pcs

Infrared LEDs

100 feet

Night vision


Viewing angle

Motion Detection — The Smartest Way Ever for Alerts

Whenever a danger is detected, this network turret camera will trigger alerts by immediately sending alert e-mails and pushing notifications to your device. It also captures and saves images/videos at the same time.

kit-email kit-app


Email photos or 30-second video clips


Push notifications to your
mobile device

On the Motion Detect Setup interface, you can feel free to:

PoE Makes Easier Wiring and Installation

The Power over Ethernet (PoE) is an advanced technology, which enables you to use a single network cable for both video and power transmission. Therefore, this PoE surveillance camera makes the wiring simplified and installation easier. The best choice for DIY enthusiasts!

Easy PoE Security Camera 4K Ultra HD Surveillance Camera

PoE Camera
Only needs a network cable

PoE Security Camera

Non-PoE Camera
Needs both a network cable and a power adapter

Non-PoE Security Camera

Remote Access Lets You Stay Informed Wherever

When connecting the camera with Reolink NVR, you can see live videos and stay connected of your home and office when you are away via free Reolink App on your mobile device, free Reolink Client on your computer or web browsers (IE, Google Chrome, Microsoft Edge, Safari, Firefox, etc.).

Remote Viewing Can Be Realized in 3 Simple Steps

  • 1

    Install App

    Install the free App on your smartphone

  • 2


    Scan to automatically add the NVR and camera

  • 3

    View Camera

    Click the network camera to get the live view

A Perfect Waterproof Outdoor Security Camera

The aluminum body and housing makes Reolink D400 camera waterproof (IP66) and enables outdoor use. This outdoor dome IP camera works perfectly both inside and outside your house, in harsh weather conditions.

The aluminum body and housing makes Reolink D400 camera waterproof (IP66) and enables outdoor use. This outdoor dome IP camera works perfectly both inside and outside your house, in harsh weather conditions.

IP66 Certified Weatherproof

Free Firmware Update — Easy, Quick and Flexible

Reolink firmware update for IP security cameras is very easy – download firmware on the firmware page and update the firmware on the client software. All is free! Learn More


Before upgrading, make sure the firmware you selected applies to the hardware version of your camera; improper firmware will result in compatibility issues. Click and learn:

How to Find out System Information via Reolink Software

To perform the upgrade step by step, click and learn:

How to Upgrade the Firmware for Reolink Products

Having issues upgrading? Please contact support@reolink.com.

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What's in the Box



Image Sensor

1/3" CMOS Sensor

Effective Pixels

2560x1440 (4.0 Megapixels)


f=4.0mm Fixed, F=2.0

Angle of View

Horizontal: 80°, Vertical: 42°

Day/Night Mode

Auto Switchover

Min. Illumination

0 Lux (With IR Illuminator)

IR Distance

IR Distance 30 Meters (LED: 18pcs/14mil/850nm)

Backlight Compensation


Noise Reduction





Main Stream: 2560x1440, 2048x1536, 2304x1296; Sub Stream: 640x360


Main Stream: 1024Kbps - 8192Kbps, Sub Stream: 64Kbps - 512Kbps

Frame Rate

Main Stream@25fps, Sub Stream@6fps



Built-in Microphone



One 10M/100Mbps RJ45

Network Protocol


Browser Supported

IE, Edge, Chrome, Firefox, Safari

OS Supported

PC: Windows, Mac OS; Smartphone: iOS, Android

Max. User Access

20 Users (1 admin account & 19 user accounts); Support up to 12 simultaneous video streams (10 substreams & 2 mainstreams)


Power Supply

DC12V & PoE (IEEE 802.3af)

Power Consumption

< 8W

Working Environment

-10℃ - +55℃ (14°F - 131°F); 10% - 90% Humidity

Ingress Protection







Limited Warranty

2-Year Limited Warranty. For Support, Visit https://support.reolink.com/hc/en-us/

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