The SC Protium 3.0 ARGB Ring is a custom PCB which fits onto the Protium 3.0 Pump Top. It lights up the pump top, reservoir, and coolant inside of the reservoir. It comes included with a Frosted Acrylic or Black Acetal shroud. It is 5v addressable ARGB/DRGB with 8 built in LEDs and a 50cm black cable. It is compatible with Protium 3.0 ARGB 150 D5 Reservoir Combos and Protium 3.0 D5 Pump Tops.