1.Efficiency exceed 92present 220V 2.AC input full range design(180 to 240V) 3.Thermal control technology 4.Protection circuitry offer: OVP OPP SCP OCP UVP OTP 5.100 burn-in under ambient temperature upto 45degree 6.100 high voltage test under AC 1.5KV 10mA 3Sec 7.Standby power less than 1W,low power consumption 8.Low ripple,silent 9.MTBF:100K hours at 25degree