Streamax UPS 3.0 is a high-performance back-up power solution, using internal electronic circuit to measure, calculate and storage battery data, which makes the use and management of power supply more predictable. It solves the problem of high and low voltage pulse and can keep on recording, avoiding the Interference of MDVR on vehicles. There is protection for low pressure / over-voltage, overload, over current, over temperature, short circuit, and reverse polarity.