Ⅰ aluminum shell power supply bipolar PFC, HD digital camera shooting without stroboscopic, warranty for three years Ⅱ safety no load protection device Ⅲ output overload protection Ⅳ output short circuit protection Ⅴ over temperature protection function Ⅵ meets the requirements of EMC and safety regulations Ⅶ economic and convenient installation Ⅷ aluminum shell is suitable for indoor and outdoor LED buried lamps, floodlights, waterproof lamps and street lamps