ITEM NAME:DC 12V To 5V 15W Buck Step-Down Converter Regulator Auto Power Supply Module Description: 100% Brand new and high quality Synchronous rectification, the conversion rate is ≠¥96%, very low heat. With overload/over-current/over temperature/short circuit protection, and it can work in normal.Output: DC 5V, 3A 15W. Input: DC 20V, (12V changes to 5V). 1x DC-DC Converter. Compact design, high efficiency, easy installation and use. Synchronous rectification, the conversion rate is ≠¥96%, very low heat.