MPS-Mobile Power Supply - Portable Power Expert NETCCA,To help you with the times! The newest NETCCA patent product,Mobile Power Supply(MPS) series is aluminum alloy design.It has many incomparable advantages,such as easy operation,pure sine wave output and can drive any loads.Its excellence makes it widely used for field work,camping,out door REC,first aid,fitment devices,and some transport devices. em:netcca001 at 163 dot com