The Tube Architecture ilumenight features a state of the art LED color changing technology controlled through an IOS app. Ilumenight Bluetooth enabled through the free IOS ilumenight app, you can control the color and brightness of your lights all with the touch of a finger on your smartphone or tablet device. Precise engineering using the latest energy efficient LED technology with a built-in reflector for superior optics; An appealing cylindrical profile perfect for accent and wall wash lighting.