The controller has Shenguang synchronization mode and wireless remote control mode to choose from.It can be connected to a motherboard that supports the SYNC function to centrally control multiple A RGB lighting devices such as RGB fans and light bars.The motherboard does not support the SYNC function. You can also centrally control multiple ARGB lighting devices through the built-in light effect mode of the controller.The adhesive fixing on the back of the product can be adsorbed on the iron surface of the chassis or bonded to the surface of other materials.Colour:blackMaterial:ABSSize:10 x 6 x 3cmPackage Contents:1 x ARGB Splitter Hub CaseOnly 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.