ITEM NAME:Car 12V to 5V 3A DC/DC Buck Converter Power Supply Module Dual USB Best Hot Descriptio n Description: 100% brand new and high quality 1DC/DC Converter Regulator Step Down to 5V 3A 15W Car LED Power Supply Module Function introduction: This product USES synchronous voltage regulation technology, the full import original components, can be unstable arbitrary between 8.0 V to 23.0 V voltage is converted into the stability of the dc output, which has over voltage, over current, over temperature, short circuit and automatic protection function, and can work normally after the return to normal.Output current: 3A. output power: 15W. We'd like to settle any problem in a friendly manner. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted.