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C by GE smart LED bulb review: Not the right choice for enthusiasts

Christopher Null | Oct. 31, 2016
The C-Life is an inexpensive choice, but its value is undercut by the price of the C-Sleep.

Note:This review supercedes our first look at the C by GE white LED smart  bulbs. You'll find our original opinion here.

With its new C by GE hardware, GE takes a different approach to the smart bulb, offering two different models that are designed for different types of rooms. Both are Bluetooth bulbs, so no hub is required to get up and running, and you can control both through a single app.

C-Life is a dimmable “living room” bulb, but it’s not color tunable. It’s preset to 2700K, a nicely warm, incandescent shade of light. At about $15 a bulb, it’s an affordable way to experiment with smart lighting technology. The second bulb is called C-Sleep, and while it looks nearly identical to C-Life, it offers some basic tuning options, with three different color temperature settings. In the morning, the cold light (about 7000K) is designed to energize. A daytime setting offers a relatively neutral, fluorescent-like hue, and in the evening hours, the light warms up further, aiding relaxation and preparing the user for bed. All of this is managed with the C by GE app, which features a configurable “Follow the Sun” system that lets the user set specific times at which the bulbs switch from one mode to the next.

C by GE in a lamp 
Neither of the C by GE bulbs will work with conventional or Z-Wave dimmer switches.

As with most Bluetooth bulbs, C by GE bulbs set up very quickly and painlessly. The catch is that the C by GE bulbs are limited in their tenability; as noted, C-Sleep offers just three settings, and C-Life isn’t tunable at all. There’s an argument to be made that having a dozen different white colors available is overkill, but an equally valid one suggests that fine-tuning your lighting environment is a bigger job that ultimately requires more options than C-Sleep can provide.

I was far from enamored with the C by GE control app, which is easy to set up, but which is needlessly convoluted in operation. “Scenes” give you quick control over all of your bulbs, letting you turn bulbs on or off, set individual bulbs’ brightness, and tune the color of C-Sleep bulbs.

C by GE app

The C-Life bulb can be dimmed with its app, but its color temperature can't be tuned. The C-Sleep bulb is both dimmable and tunable.

You can’t however set C-Sleep bulbs to use the Follow the Sun system within the Scenes system. To turn that option on, you must manage each bulb individually and override any settings it already has. (My hunch is that a future app update will remedy this problem.) C by GE requires an account to use, and control can be shared with up to five users, each requiring an account as well.


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