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. Enables easy powering of car electronic devices using an external power source, such as a USB-C power bank. Ideal for enabling the parking monitoring feature of a car dash cam without draining the car battery. Compatible with various 12V devices such as dash cams, car fans, GPS devices, tire inflators, LED lights, solar panels, and other car accessories. Suitable for use in cars, RVs, and bikes. Specifications: Material: ABS Color: Black Length: 24cm USB-C input: 12V 1-5A Car socket output: DC 12V 5A max Quantity: 1 PC (other accessories shown in images not included) Note: - 1cm = 10mm = 0.39 inch - Allow 0-1cm measurement deviation due to manual measurement - Due to monitor differences, actual color may vary slightly from image Package includes: 1 x USB-C PD Male to 12V Car Socket Female Converter Adapter Cable