Light set for MR-03S, S2, MA020S, RWD, FWD, and AWD models. (Blue or white chassis antenna) 2 clear and 2 red LEDs, plugs in directly to the top of the board on chassis. Headlights and brakelights light up according to throttle operation. Headlight flashing can be adjusted using the left trim knobs. Body may require some modification to install.