Christopher NullFreelance Contributor, TechHive

Christopher Null is a veteran technology and business journalist. He contributes regularly to TechHive, PCWorld, and Wired, and operates the websites Drinkhacker and Film Racket. Disclosure: He also writes for Hewlett-Packad's marketing website TechBeacon.

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Swann Xtreem Wireless security camera review: Free cloud storage, motion detection, and solid hardware

Alas, erratic performance mars a security camera that aims for the top shelf.

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Best smart plugs: These gadgets will turn any electrical outlet into a smart socket

With models from Lutron, Wemo, Leviton, iDevices, and others, it can be difficult to know which easy and inexpensive device is best for controlling the lamps and small appliances in your smart home. We’ll help you find the right one.

smart lock hub 2019

The best smart lock for a keyless home

Keys are yesterday’s tech, your smart home needs a smart door lock.

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Wyze Plug Outdoor review: This affordable outdoor smart plug has a deep bag of tricks

Wyze Labs delivers features like an integrated light sensor and energy monitoring that the pricier competition doesn’t offer.

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Turbolock TL88 Bluetooth fingerprint smart lock review: An affordable, if basic, biometric entry lock

Going Bluetooth-only simplifies this lock at the expense of some features.

air purifier roundup

The best air purifiers: Keep your home safe, comfortable, and odor-free

The world of air purifiers can be confusing, but the bottom line is that the best units can improve your quality of life.

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Best smart sprinkler controller

Whether you’re motivated by water conservation, saving money, a drive to render every aspect of your home smart, or all the above, a smart irrigation controller will scratch that itch.

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Tribit QuietPlus 72 ANC headphone review: Effective noise cancelling on a budget

These over-ear headphones provide an affordable respite from the outside world.

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How to optimize your home lighting design based on color temperature

Once you understand what color temperature is and why it matters, you can choose the right types of light bulbs to improve the quality of your life at home.

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Wayzn Smart Pet Door review: This motorized device lets Fido open the sliding door himself

It's a clever idea, but this smart home device is mired in immaturity.

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Best smart bulbs for your connected home

Today’s smart bulbs are brighter and easier to control than ever, but choosing the right one for your environment remains a challenge.

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An essential guide to Apple HomeKit

Apple’s smart home effort got off to a slow start, but it’s rapidly gaining momentum.

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Proscenic A9 air purifier review: Powerful air flow, questionable odor

An immature app isn’t the least appealing aspect of this smart air purifier

wyze smart plug

Wyze Plug review: A rock-solid indoor, dirt-cheap Wi-Fi smart plug

Simple does it (and does it well) with another bargain-priced Wyze smart home product.

chamberlain myq g0401 primary

Chamberlain myQ Smart Garage Hub (model MYQ-G0401) review: A modest upgrade to an essential gadget

There’s no need to upgrade from existing myQ systems, but this version maintains its top-shelf position.