ITEM NAME:DC-DC Converter Module 12V To 5V Duble USB Output Power Adapter 3A 15W ME Specification: Use imported and integrated switching regulator modules manufacturing, quality is stable and reliable. - Synchronous rectification,, the conversion rate is 96% or more, very low heat. - Over voltage, over current, over temperature, short circuit, it can be auto Protection, and can work in normal.Duble USB Output Power Adapter Converter Module x1. - Super-thin, small size, high efficiency, easy installation and use.