SOLAR ze/ETZ MK4 with the successes of the 1st Generation, we upgrade it with more efficiency led resource, brightness is 15% higher than the G1,with 8°-40° Electronic zoom system canbe controlled smooth and accurate. SOLAR ze/ETZ MK4 use 4 in 1 led, more than 1600lx. SOLAR ze/ETZ MK4 is design for the artisticperformance, theater, stage entertainment.