USB-C input requires 12V. Car power socket output is 12V 5A max. This cable allows car electronic devices to be used at home. USB-C adapter output is 18W, and the cable output is 18W. If your USB-C adapter outputs only 5V, the cable output will be 5V. USB-C Port Power Converter converts power from a USB-C port to a 12V car cigarette lighter socket. Easily power car electronic devices using an external power source, such as a USB-C power bank. Enables the Parking Monitoring feature of your car dash cam without draining your car battery. Compatible with USB-C PD power banks or wall PD chargers. This Type-C converter cable has wide application in cars, RVs, and bikes. Converts power from a Type-C port to a 12V car power socket. Compatible with various 12V devices such as dash cams, car fans, GPS units, tire inflators, LED lights, solar panels, and other equipment that uses a car power port. Specifications: Material: ABS; Color: Black; Type-C input: 12V 1-5A; Car socket output: DC 12V 5A max; Quantity: 1 PC (other accessories shown are not included). Note: 1. Conversion: 1cm = 10mm = 0.39 inch; 2. Please allow 0-1cm measurement deviation due to manual measurement; 3. Due to monitor differences, the image may not reflect the actual item color. Package includes: 1 x Type-C PD Male to 12V Car Socket Female Converter Adapter Cable