USB-C input requires 12V. Car power socket output is 12V 5A max. With this cable, your car electronic equipment can be used at home. If your USB-C adapter outputs 18W, the cable delivers 18W. If your USB-C adapter outputs only 5V, the cable delivers 5V. USB-C Port Power Converter converts power from a USB-C port to a 12V car cigarette lighter socket. Easily power your car electronic devices using an external power source, such as a USB-C power bank. Ideal for enabling the Parking Monitoring feature on your car dash cam without draining your car battery. Easily power car electronic devices using an external power source, such as a Type-C PD power bank or wall PD charger. This Type-C converter cable has a wide range of applications 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 driving recorders, car fans, electronic dog devices, dash cams, drone car chargers, GPS units, solar panels, LED light strips, tire inflators, LED lights, GPS FM traffic receivers, fans, and health equipment that uses a car power port for charging. Specifications: Material: ABS Color: Black Type-C input: 12V 1-5A Car socket output: DC 12V 5A max Quantity: 1 piece (other accessories shown in the picture are not included) Note: 1. Conversion: 1cm = 10mm = 0.39 inch 2. Please allow 0-1cm error due to manual measurement. Ensure you are comfortable with this before purchasing. 3. Due to differences in monitor displays, the image may not reflect the actual color of the item. Thank you. Package includes: 1 x Type-C PD Male to 12V Car Socket Female Converter Adapter Cable