with Philips and MeanWell IP65 500w flood led AC90-264V, 600W, 300cs LED 50000Lm, 4000K-7000K IP40 / IP65 CE, UL driver, 3 600W Philips LED ... supply, directly open the back cover with a screwdriver, then remove the power supply.On DC power output, the red cable corresponds ... to the positive power polarity, and black corresponds to the ...