Christopher NullFreelance Contributor, TechHive

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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.

Scout smarthome kit

Scout Alarm review: This DIY security system lacks polish

Our evaluation experience left us unimpressed and somewhat skeptical.

Philips Hue and Ledvance Sylvania Lightify motion sensors

Philips Hue and Sylvania Lightify motion sensor reviews: These add-ons make your smart lighting smarter

The Lightify Smart Sensor is a good add-on for Sylvania smart bulbs, but the Hue sensor demonstrates why Philips leads the market.

saffron drift light

Saffron Drift Light: A semi-smart bulb with limited appeal

This slow-dimming bulb may help some drift off to sleep, but it's too dim and expensive for us to recommend.

LIFX+ A19 A60 E27 E26 WBG

LIFX+ color LED smart bulb review: This light bulb helps your security camera see in the dark

The original LIFX bulb is one of our top picks. The LIFX+ packs LEDs that illuminate the area around it with infrared light even when the bulb is otherwise turned off.

LIFX 800

LIFX White 800 review: A distant second to Philips Hue

LIFX’s color-tunable bulb excels, but its white bulb simply doesn’t hit the same highs.

Philips Hue White Ambiance Starter Kit

Philips Hue White Ambiance A19 Starter Kit review: This is the bulb to beat

The Hue produces amazing light across the white spectrum.

Sengled Element Touch

Sengled Element Touch review: A quirky, but inexpensive ZigBee bulb

The “touch” in its name refers to a button on the bulb that can cycle through four levels of brightness.

TP-Link LB120

TP-Link Smart Wi-Fi LED Bulb LB120 review: This would be a great bulb if it wasn’t so dim

Wi-Fi connectivity means you don’t need a hub, but this globe just doesn’t get bright enough.

Cree Connected

Connected Cree LED Bulb review: A super-cheap ZigBee solution

Cree’s smart bulbs work with a variety of smart-home hubs, but that means Cree has a lot less control over the user experience.

Philips Scene Switch

Philips SceneSwitch review: It’s not a smart bulb, but it is clever

This new white-only LED bulb changes color with a flip of the switch instead of an app on your phone.

TP Link LB130 color

TP-Link Smart Wi-Fi LED Bulb LB130 review: An inexpensive color option

It’s cheaper than the only competing color Wi-Fi bulb, but it’s not better.

ilumi

ilumi A19 LED Smartbulb review: The smart light bulb for the security conscious

This bulb claims to be the brightest Bluetooth bulb on the market, but its light is cooler than expected.

Lightify color LED smart bulb

Ledvance Lightify RGBW A19 review: Affordable smart lighting with a steep learning curve

You’ll find lots of form factors in the Ledvance Lightify collection, but getting the most out of them takes some effort.

LIFX Color 1000

LIFX Color 1000 review: One of the best smart bulbs gets brighter and better

This year’s model is smaller, lighter, and brighter than the original, but scheduling within its app remains a weak spot.

Philips Hue Color and Ambiance Starter Kit

Philips Hue White and Color Ambiance Kit review: Still the market leader

No manufacturer has done more to advance the concept of smart LED bulbs.