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 supports 18W output. If your USB-C adapter outputs 5V, the cable will output 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 Type-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 driving recorders, car fans, electronic dog, dash cams, drone car chargers, GPS, 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 PC (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 item color. Thank you. Package includes: 1 x Type-C PD Male to 12V Car Socket Female Converter Adapter Cable