Use the 3-channel constant decoder, which utilizes advanced control technology. This technology converts standard DMX512/1990 digital control signals into analog control signals. It features 1 to 3 output channels, with each channel capable of achieving 256 control levels. This constant decoder is designed for use with DMX512 control equipment to operate general LED lighting. Please note that due to different product batches, the appearance may vary slightly, but this does not affect functionality. Color: Black Material: Plastic + Metal Package Contents: 1 x RGBW 4CH 512 Constant Decoder 1 x English User Manual Only the items listed are included; other products are not included. Note: Lighting and display differences may cause the color of the item in the image to appear slightly different from the actual product. Measurement error is allowed within +/- 1-3 cm.