Like many of the best smart lights, the Clean can also be dimmed or brightened using the slider in the centre of the color wheel. It was simple to adjust the color or tone of white light using the color wheels, which are displayed after tapping the light in the device list. On test, we found the LIFX clean responded instantly when switched on or off using the LIFX app or Alexa. We set up the LIFX Clean through the app using an iPhone, which was super-simple thanks to HomeKit support: we simply scanned the QR code on the quick-start guide and we were ready to go. Once we’d replaced our existing incandescent bulb with the LIFX Clean, we downloaded the LIFX app and then followed the instructions on-screen to pair the bulb with our Wi-Fi network. We found the LIFX Clean extremely simple to install. So expect a rainbow of colors and white light ranging from 1,500 Kelvins (a really warm amber hue) to 9,000 Kelvins (a shade so cool, it’s almost blue). The LIFX Clean is a color smart light bulb and can be tuned to glow any of 550 billion different shades of color and white. It offers 1,200 lumens of light, the equivalent of the light given off by an 80W incandescent bulb, which makes it one of the brightest smart light bulbs on the market. The LIFX Clean is an LED bulb, with brightness measured in lumens, as opposed to the watts of incandescent bulbs. The metal fitting sits on the bottom of the bulb, with a white plastic body and a frosted plastic top from where the light illuminates. As such, it's a little larger than a traditional light bulb, which may see it protrude from smaller lampshades on side lights. Sporting a more angular design, as opposed to the traditional rounded shape of incandescent light bulbs, the LIFX Clean measures 4.6 x 2.5 x 2.5 inches / 11.6 x 6.4 x 6.4cm (h x w x d). As mentioned already, it’s available with an E27 screw fitting, and in the UK and Australia, a B22 bayonet option too. The LIFX Clean is an individual smart light bulb designed to replace an existing incandescent bulb. Available in E27 screw and B22 bayonet fitting.

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