For the ultimate protection rain or shine, see more of what's happening with an ultra-wide field of view and 4K video with HDR. Perfect for protecting any location where you need the biggest, best view.


  • 4K video with HDR
  • Integrated Spotlight
  • Ultra-wide viewing angle
  • Premium two-way audio
  • 6-month battery life
  • Arlo Smart Trial Included


Watch over your home in crystal-clear detail for greater insight.

  • Stay connected to your home from anywhere with live video and noise-canceling 2-way audio.
  • Receive instant alerts on your phone when motion is detected and take quick action.
  • Capture a clearer picture of every detail with 4K HDR.
  • See in the dark with color night vision.
  • Works with Apple HomeKit1, Amazon Alexa, and Google Assistant.


Always be aware and react faster with tools to take immediate action.

  • Receive smarter alerts with Object Detection.
  • Reduce unwanted notifications with Activity Zones.2
  • Get help with one tap.
    • Immediately dial e9113, phone a friend or sound the alarm from your phone.
  • Look back at past events with Video History.


Stay better informed with clearer details

Thanks to advanced 4K HDR, you can see video with picture-perfect detail and color, and zoom in on objects with amazing clarity.


Never miss a thing with an ultra-wide view.

The wider angle lense gives you an ultra-wide 180 degree view of your property, while auto-correcting the image to remove fisheye distortion.


See who's there, even at night.

Capture the full picture in low light with enhanced color night vision. Use the integrated spotlight to illuminate your property and ward off unwelcome visitors.


Specs and Dimensions

Max Video Resolution

  • 4K

Image Sensor

  • 8 megapixels

Video modes

  • 4K, 2K, 1080p, 720p

Video Features

  • Auto Track and Zoom, HDR
  • Lens Field of View
  • 180 degree diagonal

Sensor Size

  • 1/2"


  • Yes

Motion Detection

  • Dual Motion Detectors, 150 degree horizontal

Night Vision

  • High powered Infrared LEDs (850nm) with IR Cut Filter

AC Adapter Output

  • 5V 2A

AC Adapter Input

  • 100-240V AC, 50/60Hz


  • Both - outdoor UV and weather-resistant

Digital Zoom

  • 12x


  • Dual Microphone Array with noise and wind cancellation


  • Full Duplex 2 way Audio

Status Lights

  • 2x LEDs (blue and amber)


  • 802.11 b/g/n, Bluetooth Low Energy 4.2

Compliant Standards

  • 128-bit SSL, AED-128, TSL, 2 factor authentication


Charge Time to Full (via camera)

  • 3.5 hrs

Charge time to Full (via charger accessory)

  • 2.9 hrs

Operating Temperature

  • -20 to 45 degree Celsius


  • Wi-Fi Connection. Working broadband connection with at least 2Mbps upload speed

microSD card requirements

  • Speed class 10, UHS1, V10
  • Min home upload speed
  • 2-4Mbps; optimized for 2 simultaneous 4k streams


  • 3.5x2x3in (89x52x78.4mm)


  • FCC, CE, IC, EU RoHS compliant, EU-REACH compliant, EuP1275 compliant, WERCS

Arlo Ultra 2 | Security System

  • Arlo Ultra 2 Spotlight Camera, 2 Camera Security System, Wire-Free, 4K Video & HDR, Color Night Vision, 2-Way Audio, 6-Month Battery Life, Works with Alexa, VMS5240-200NAS