Features 1、Replace the rectifier diode with a dedicated power MOSFET with very low on-state resistance to reduce rectification losses 2、Synchronous rectification technology is adopted to improve conversion efficiency and reduce heat generation of the power supply itself 3、Adopted of high quality electronic components, and accuracy process, ensure for the durability 4、High conversion efficiency, with input anti-reverse connection function 5、Suitable for applications where the input voltage is higher than the output voltage Specification Item Type: Step Down Module Input Voltage: 10-90VDC Working Frequency : 180KHZ Conversion Efficiency : 97.5% (typical) Input Anti-Reverse Connection: Yes Aluminum Case Size: Approx. 70 x 38 x 31mm / 2.8 x 1.5 x 1.2in Package List 1 x Step Down Module