[ 3 Buttons Design ] - Have total 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, cross, flashing, and others to create a unique color world.[ 3-pin Connector for aRGB Devices ] - Compatible with 5V ARGB devices, such as case fans, led strips, air-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:blackMaterial:plasticSize:Length: About 56cmPackage Contents:1 * RGB ControllerOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.