This Compact Primary Switched Power Supply with environmental friendly design. The high-energy efficiency design is aimed at conserving energy, the higher the energy efficiency the more money you can save. This unit is truly universal since it can convert power into any of the following 5V, 6V, 7.5V, 9V, 12V, 13.5V, 15V DC. It also incorporates Short Ciruit Protection and Automatic Overload Cutoff saftey features. It is adaptable with various IT products.