Floodlight uses CREE LED as light source, which generates constant and high brightness lighting. High performance of heat dissipation, life span is 50000 plus hours. Energy saving, compared with traditional sodium lights, it can save more than 70% energy. No ill glare, no abrupt and frequent ashes. No delayed start, no waiting. Reaches its maximum light output as soon as it is turned on. Does not require lengthy start-up process like traditional lights. Environmentally friendly. Does not contain lead, hydrargyrum or any other contaminate, no air pollution. For use with factories, gymnasiums, yards, advertising boards, buildings, lawns, garden designs etc.