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.

smarthome mobile phone

Smart home guide for beginners: Make your home more convenient to live in without spending lots of time or money

You don’t need to be an expert or spend a fortune on cutting-edge gear, these first steps will lay a foundation you can build on.

mila bookshelf

Mila air purifier review: Breathe better, and make a fashion statement

This sophisticated air purifier has a refined mobile app to match.

Annke W300

Annke W300 wireless outdoor security camera review: Solid infrared performance, but rocky wireless connectivity

A sub-$50 street price makes Annke’s camera seem like a bargain, but be prepared to get what you paid for.

lg puricare 360 as330dwr0

LG PuriCare 360 air purifier review: A pricey purifier with a troubling app experience

The PuriCare can also work as a room fan, but its price is through the roof.

lockly duo primary

Lockly Duo review: Two smart locks in one installation headache

Lockly combines deadbolt and latch in this daunting smart home device.

ezviz 8c8 installed

EZVIZ C8C security camera review: Pan and tilt features on a budget

This inexpensive system is stripped down to the basics, and it suffers from erratic performance.

swann xtreem installed

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.

turbolock tl88 black 04

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.

wyze outdoor plug 1

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.

tribit quietplus 72 lifestyle

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.

wayzn pet door 1

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.

homekit home screen

An essential guide to Apple HomeKit

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

proscennic a9 lifestyle

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.