1. H807DMX can only work with DMX512 console. 2. Each port controls maximum 1024 pixels. Three ports output the same data. 3. H807DMX occupies 13 channels 4. Use dip switch to set starting address for each device. H807DMX supports the following chips: TM1812, P943, P943S, P9411, P9412, P9883, TM1804, TM1809, UCS1903, UCS1909, UCS1912, WS2811, WS2812, WS2813, SM16703, SM16709, SM16712, INK1003, etc. Note: Before connecting H807DMX to DMX512 console, H807DMX plays the built-in effects. After connecting H807DMX to DMX512 console, H807DMX is controlled by MDX512 console. Colour:Black Material:Metal+Plastic Package Contents: 4 x DMX512 RGB LED 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.