Truopto 3w 3 led round module truopto ospr3xw6 w4xze1c1e this round type led module consists of three power white leds arranged on an aluminium substrate to produce a module that is ideal for a wide range of applications such as small space lighting and mechanical equipment lights truopto ospr3xw6 w4xze1c1e 3x1 power led module white 300lm