[ 3 Buttons Design ] - Have control on the look of your aRGB LEDs with the help of the 3 added buttons to change the mode, speed and colour. [ Customise your Lighting ] - with multiple pre-set lighting modes, including rainbow, cycle, , flashing, and others to create a unique color world. [ 3-pin Connector for aRGB Devices ] - with 5V ARGB devices, such as case fans, led strips, -cooled radiator, water-cooled radiator, and other Addressable RGB supported accessories. [ perfect Size for Better Concealment ] - Small design gives you the ability to conceal controller for a clean look. Colour:black Material:plastic Size:Length: About 56cm Package Contents: 1 * RGB Controller Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.