SMAKN&reg; 12V/24V to 5V 3A/15W(MAX) DC/DC Buck Power Converter Voltage Step Dowm Power Supply Cigarette Lighter To DUAL-USB Female output-3M Module Properties: SR non-isolated buck module (BUCK) Input voltage: DC 12V/24V;Output voltage: 5V Output Current: 3A(MAX) Output Power: 15W(MAX)