intelligent sine wave inverter (P1--P5)

completely controlled by CPU to enhance the stability and reduce the cost;
output pure sine wave; able to drive impractive loads.
protection against short-circuit;
transfer automatically, and transfer time is no more than 4ms. when the commercial power is cut off accidentally, it will protect your computer and server,and you have no need to reset them;
protection against overload. it will prompt you and shut down gradually.