... GB4943, UL60950, EN60950EMC standards ............................... GB9254, EN55022 classB, EN55024EN61000-3-2,3, EN61000-4-2,3,4,5,6,8,11Cooling method ............................... convectionPower consumption ... available:20Watts,30Watts,60Watts,80Watts,100Watts,150Watts. 150W waterproof Power supply for LED ...