Rasha Professional introduces Core, Precisely designed for event venues and professionals. look at the strength of colors, the primary colors are pure and bright, and mix colors are extremely beautiful too. Core features 4x Hex RGBAW+UV multi-color led chips perfectly calibrated with 25 degree precious optics, high-resolution electronic dimming calibrated at 18 bit, Wireless DMX 2.4 gigahertz, IR receiver, and built-in lithium battery runs core from 8 to 10 hours in a single recharge.