The Arlo Ultra is by far the best smart security camera I've used: tThe footage is sharp, the features are top notch and Arlo's subscription package is both generous to those who don't want to pay and flexible enough to include those who do.

Crystal-clear; wide-angle 4K footage; Generous free cloud storage; Records in colour at night

Higher subscription price for 4K; Expensive camera; Most people can't view 4K footage easily

We review Arlo's brand new 4K camera Arlo security cameras put to the test Arlo security cameras put to the test

Brilliant footage at 4K; HDR makes 1080p superior; Great battery life

Plans getting expensive; High entry cost; New base station required

I bought the five camera system, but can only get four of the cameras to work. I have contacted Arlo/Netgear via the web based tech support, but the response has been painfully slow and the suggestions unhelpful. The cameras that are set up are working fine.

All works well and no problems setting it up

You've got numerous choices in connected some security cameras these days, but almost all of them require wires. Running a camera solely on batteries introduces a lot of uncertainty. Will it last long enough Will it wake up reliably

Video The 4K video is a huge step up from past Arlo cameras; It looks great and file sizes aren't enormous, Battery The battery will last a month or more on a charge, and it's more reliable than other battery-powered cameras, Local storage You can save all your recorded videos to a microSD card...

Price The $400 price tag for the single-camera kit is a bit outrageous when there are so many cheaper wired cameras; Speed While it's better than other wireless cameras; the Arlo Ultra still takes a few seconds to wake up; Local video restriction For some reason; you can only stream in 4K while on...

If you fancy connecting everything at home to an app, you can now add a high-resolution surveillance camera to the list of changeable lights and other smart home items hooked up to the Net.

The Arlo Ultra has its limitations, but if you're willing to spend the money you'll love the good image quality and smorgasbord of smart features.

Excellent image quality; Packed with features; Well-designed app

Expensive; Some features limit resolution