Features: brand new and high quality 5V/3pin ADD-RGB equipment is for 12V/4pin RGB motherboard. for multiple RGB connectors. Voltage transformer within 5V to 12V RGB Transfer Hub powered by Sata. The converter can be used as a manual controller. The manual button controls the color and change speed It can also be linked to the chassis restart button to change the color. Packing with a 5V 3PIN ARGB extension cable Specifications: Item: RGB Fan HUB Type: 5V/3pin ADD-RGB to 12V /4PIN RGB Fan Motherboard Controller Package Dimension: approx 10x8x3cm/3.94x3.15x1.18in Colour： Black Material：ABS Package Includes: 1 x Controller note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement.