TAKE A LOOK AT THIS:4 channel PWM constant voltage & RDM LED decoder controller digital display XLR3 RJ45 port DC12-36V input 8A x 4CH The voltage of our product is 12-24v. REASONS TO BUY: Rgb controller 4 channels: the rgb controller has been designed for decades. equipped with all rgb controllers, it can be used to stream , play games, the trouble of losing control over the channel. decoder constant voltage: constant voltage rdm to rgb led display input, which is much more convenient and reliable than standard signal converters. Led decoder controller: the rdm controller has been designed to be used in conjunction with your rgb led display. it also features an integrated control panel that allows you to easily switch between channels and inputs. RELATED :Rgb decoder 4 channel: the rgb channel has been designed to be used with all rgb channels. this is an enhanced channel that allows you to share your favorite shows and keep things neat and tidy at all times. Colour:black Material:plastic+metal type:D4-P Package Contents: 4 x controller Only the above package content, other products are not included. Note: Light reflection 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.