This module is a dual-way, isolated DC/DC converter manufactured by MORNSUN. It has a wide input voltage range of 5V to 24V and a wide output voltage range of 3.3V to 5V. It features a high efficiency up to 94%, low ripple and low EMI noise as well as protections from short circuit, over current, and over temperature. This module can be used for powering industrial control systems, security equipment, telecommunication and networking equipment, industrial computers, and other electronic systems. It is also compliant with the RoHS directive for environmental friendliness.