Switchmate review: This light switch installs fast, but Bluetooth holds it back

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The Good Switchmate units cost just $40 each, they couldn't be simpler to install, and the related Android/iPhone app is very intuitive.

The Bad Amazon Alexa integration is forthcoming, but Switchmate doesn't currently work with any third-party smart home products/platforms. Remote access is limited to Bluetooth range, the switches are loud, and they're too big for side-by-side installs on 2-gang+ switch plates.

The Bottom Line Switchmate's no-fuss installation is intriguing, but some significant limitations hold it back from greatness.

7.0 Overall
  • Features 5
  • Usability 9
  • Design 6
  • Performance 9

Switchmate is a $40 AA-battery-powered magnetic light controller that clings to the screws holding up your existing switch plate. Snap it on and you're done with the installation. The sheer simplicity of setup is intriguing -- who wants to deal with a big mess o' wires when you can just enlist magnets to do the heavy lifting?

But because it isn't hard-wired, Switchmate relies on batteries. And because it relies on batteries, it uses low-power Bluetooth tech rather than Wi-Fi. That means you can only control your lights from the related Android or iPhone app when you're standing within a limited range of roughly 150 feet.

Switchmate also doesn't work with dimmers or have any third-party integrations (although an Amazon Alexa skill is in the works). If circuit breakers and electrical wiring aren't your cup of tea, the easy-breezy Switchmate would serve you well -- just keep in mind that it can't actually do a whole lot.

Up close with Switchmate

Switchmate measures 4.9 inches tall by 2.5 inches wide, with a 1-inch depth. It weighs 4 ounces and is powered by two included AA batteries that the team claims can last anywhere from 8 to 12 months (I wasn't able to test this out, but I imagine it would vary a lot based on usage). It looks fine, but it's quite bulky compared to a standard switch plate.

Switchmate started out as an Indiegogo campaign with a couple of different color finishes, but the final version, available on Amazon, comes in white or beige for either toggle or rocker switches (these are sold separately, as the adapter on the back is different). Configuration is as simple as inserting the batteries, picking out a light switch to control and snapping it on. Fortunately, the magnets are strong and I can't see someone dislodging it easily by accident.

Note: Switchmate is only compatible with 1-gang switches. It can attach to multi-gang plates, but Switchmates are too wide to fit side-by-side. I really wish the team offered 2-, 3- and 4-gang options, since standalone 1-gang switches aren't incredibly common (in my house, at least) and it looks a little odd as a standalone 1-gang controller on a multi-gang panel.

Once you've attached Switchmate, download the Switchmate app and follow the steps to use your light switch -- it should only take a minute or so to connect. There wasn't a plus/minus battery indicator on my review units, so I installed the batteries upside down the first time -- if you're having trouble connecting, you might need to rotate your batteries, too.

Chris Monroe/CNET

The app itself is extremely bare bones, but simple to use. You can have up to 12 Switchmates installed on one account -- and the home screen displays all of the controllers you've installed. I tested two units, one toggle model and one rocker model, labeled Hallway and Living Room.

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