LED PAR SMD 1810 use 18PCS 10W 4IN1 LEDs(RGBW).Total power reach 180W. It has nice color mixing effect, low noise, no-flicker. This product has 2 option channel mode, 4CH and 8CH easy to use. LED PAR SMD 543 are suitable for large events, concerts, mobile performances, stage, bar, wedding, etc.