High pay led 220v_240v 50_60HZ 100LM per watt 50_300w Aluminum cover 180 degree Driver dc built_in 3000k 4000k 6500k Prices per watt: 50w....139﷼ 100w....165﷼ 150w....195﷼ 200w....215﷼ 250w.... 260 ﷼