SMAKN&reg; DC-DC 12V to 7.5V 6A 45W Buck Power Converter / Step Down Power Supply Waterproof Input voltage: DC12V (Wide Voltage 10V-28V). Output voltage: DC: 7.5V, output current: 6A,45W power. Please long-term work load at 5A (35W) within use. Slim volume: 43mm * 25mm * 22mm (L * W * H). Protection: Input instant high voltage, output over-current, output short circuit, chip overheating protection.