SGA40U is a 40W ultra slim wall-mounted style single-output green adaptor series, which is compact and convenient for carry. SGA40U is a class IIpower unit (no FG) equipped with the standard 2-Pin U.S. plug, accepting the input range from 90VAC to 264VAC. The whole series provides different models with output voltages ranging between 5VDC and 48VDC that it can satisfy the demands for various types of consumer electronic devices. With the efficiency up to 89% and the extremely low no-load power consumption below 0.075W,SGA40U is compliant with the latest U.S.energy regulation EISA 2007/DoE(Level VI).The supreme feature allows the adaptor to save the energy when it is under either the operating mode or the standby mode.The entire series is approved for international safety regulations; moreover, it adopts the 94V-0 flame retardant plastic case that it can effectively prevent users from electric hazards.