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.

combined led smart bulb hub

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.

google nest cam with floodlight

Nest Cam with Floodlight review: Google slaps high beams on its winning outdoor camera

Floodlights make Google’s winning Nest Cam even better at keeping an eye on your property.

wyze cam pan v2

Wyze Cam Pan v2 review: Incremental upgrades for $10 extra

The addition of color night vision doesn’t change the game, but it’s a handy upgrade to a winning camera.


Sencentric SimpleSence Capteur review: Add-on tails extend this water sensor's reach

The design hasn’t changed dramatically, but this sensor’s primary new trick is worth a look.

Turtlebox viewed from the front

Turtlebox Speaker review: An audio experience designed to literally go anywhere

This just might be the most rugged Bluetooth speaker known to man.

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.

bissell myair air purifier straight on view

Bissell Myair Pro review: Cleaning the air, one small room at a time

This air purifier is built for small spaces, but its small price fits it well.

x sense home security system

X-Sense Home Security Kit review: Basic security, basic price

This no-frills security system works well enough to support its $130 price tag.

smart home hub lead art

Best smart home systems for a connected domicile

Your home is only as smart as the hub that orchestrates everything behind the scenes. We help you choose the right system for your home-automation needs.

govee tv lights

Govee Immersion Light Kit review: It’s like ground effects for your television

This kit sounds like a cool way to enhance your TV experience, but it really just adds a significant level of distraction.

Tribit Home Speaker LED light band

Tribit Home Speaker review: This Bluetooth music maker is built for eyes as much as ears

Who’s ready for a rainbow light show at bedtime?

smartplug hub

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.

bissell air320 air purifier in use

Bissell air320 Max review: An affordable and attractive air purifier

This air purifier is light on smart features, but heavy on style—and it’s well priced.

avantek wireless doorbell

Avantek DB-21 review: A wireless, plug-and-play doorbell, no frills included

No camera here, but ultra-long range and ultra-loud chimes set this budget-priced option apart from the pack.

levion decora smart wifi product family

Leviton Decora Smart Wi-Fi review: Recent upgrades pile on the control options

Added support for Nest and IFTTT brings Leviton’s Wi-Fi-based smart products closer to a buy rating.