It can be directly connected to the 5V3PIN interface light-emitting device, and the light effect can be controlled by the controller.The speed and brightness of the light effect can be adjusted independently.Manually switch the light effect, which is convenient and fast.Multiple groups of light-emitting devices can be expanded and synchronized through the Y type adapter cable. (The remote control is small and easy to route and hide in the case).Function Introduction of M button: click to switch the light motion mode.S button: click to adjust the flashing speed of the light, a of 6 cycles; press and hold the S button for 3 seconds to control the light on/off.C button: click to adjust the color of the light; long press the C button to adjust the brightness of the light.type: ARGB Controllercolor:BlackMaterial:ABSPackage Contents:1 x ARGB Controller1 x Remote ControlOnly the above package content, other products are not included.Note: Light reflection 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.