Input voltage: DC 8-22V (12V is recommended) Output voltage: DC 5V Output current: max. 3A Our USB-C power converter holds 5V at 3A Built-in output overcurrent, input undervoltage, chip overheating and output short circuit protection, stable and reliable Widely used in: cars, motorcycles and motorhomes, GPS navigators, car recorders, monitors, MP3, MP4, mobile phones, etc. Note: The positive and negative poles cannot be changed or the power supply will be damaged. And if the load of your device is near Max Power, choose a higher power inverter as Max Power cannot be used for a long period of time Package includes: 1 x DC-DC 12 V to 5 V step-down type C charging converter Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.