Cheap And Discounts DMX512 4CH 0-10V Decoder DL LED Dimmer DMX 512 Signal to RGB/RGBW Controller 4 Channel DC5V-24V Wholesale. Buy Directly From Merchant Hanstar LED Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.