Articles by Christopher Null
Defender Guard Pro 2K Wi-Fi review: The Wi-Fi needs work
Wi-Fi troubles are the major issue in this otherwise workable pan/tilt offering.
TP-Link EC71 Kasa Spot Pan Tilt review: A budget security cam
A rock-bottom price tag helps make TP-Link’s latest indoor security camera a no-brainer.
The best home air purifiers
The world of air purifiers can be confusing, but the bottom line is that the best units can improve your quality of life.
Alen's BreatheSmart 75i air purifier is big-boned but powerful
The BreatheSmart 75i may be overkill for most consumer homes, but this bruiser packs enough punch for commercial use.
We name all the best smart locks
Keys are yesterday’s tech, your smart home needs a smart door lock.
Proscenic L40 Smart Lock review: Not ready for prime time
Proscenic’s first smart lock tries to do everything, but it’s in dramatic need of some polish.
We name the best smart garage door controllers
Even if you use your garage only as an oversized storage locker, you’ll wonder how you ever got along without a smart controller for your existing garage door opener.
SwitchBot Hub 2 review: A universal translator for smart homes
This smart home hub works with old and new smart home technologies, including Bluetooth, Wi-Fi, HomeKit, Matter—even infrared.
Swann CoreCam Pro Spotlight review: A small but solid upgrade
The only new feature you get with Swann's upgraded "pro" model is a spotlight, but it's still a solid security camera.
Best smart lighting for your connected home
Today’s smart lighting is brighter and easier to control than ever, but choosing the right solution for your environment remains a challenge.
Inse Y10 Pool Vacuum Robot review: The little robot that couldn’t
This pool cleaner is decidedly cheap, but it simply doesn’t do the job.
Imilab EC5 Floodlight Camera 2K review: Unique, inexpensive
A first in the outdoor floodlight camera market, the Imilab EC5 pans and tilts, and its very low price makes it easy to overlook its flawed software.
TruSens Z-3500 review: Affordable air purification for large rooms
The relatively inexpensive TruSens Z-3500 is a smart air purifier for larger rooms and comes with a remote air-quality sensor, ultraviolet lighting to kill viruses, and a very good mobile app.
Blink Wired Floodlight Camera review: Value-priced security
Blink's floodlight cam costs a whole lot lower than the competition from Ring and Nest, and it delivers more lumens of brightness than either of them.
Yale's great-looking Assure Lock 2 is saddled with a buggy app
Yale's new line of smart locks looks sensational and works with the big three smart-home platforms, but the app needs work.
Best smart plugs: Turn any 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.
TP-Link Tapo P125M review: A compact, Matter-certified plug
One of the first Matter-certified smart home products, the Tapo P125M is missing only one feature: Energy monitoring.
The Wyze Bulb Color BR30: An ultra-affordable smart floodlight
Give your downlights the color treatment they deserve, for as little as $11 per can.