... high-efficient,low-loss and environmentally-friendly,the LED adapter has overvoltage and overload protection.2.The shell ... life is up to 50,000 hours.4.High power factor,more than 0.95.5.The work ... 7.Our product has a wide range of input power and supply fluctuations,respectively,90V to 246V and 47 ... storage environment,respectively,at the temperature of 0°C—70°C and 0°C—95°C. 20w/40w/60w led adapter