The power supplies is a highly reliable, 27W 9V3A wall-mounted style single-output AC DC Power Adaptor series. This Class 2 Power Supply 27w is equipped with an AC plug AU type and Class 2 rated without earth pin, accepting the universal AC input voltage range. Featuring the working efficiency of level VI, low no-load power consumption below 0.075W, wall plug in Power Supply 9V is compliant with the latest USA energy regulation. Universal Ac Dc Adapter provides safety protections for over current, over voltage and short circuit.