NOTE:The USB C input port must be a PD protocol fast charging protocol to support changing the voltage. (Since most chargers on the market support PD, So If you plug in a traditional type-c port without PD fast charging protocol, you will not be able to change the voltage and will not be able to operate. It will always display 5V and the voltage cannot be adjusted.)
Adjustable voltage:Home wall plug charger (according to the wall charger type-c output port whether support 15V/20V) can support the adjustment to 15V-20V voltage, car usb c usually output for 5V-9V-12V
Fit for a part 12v devices, such as: Driving recorder, electronic dog, dashcam, GPS, radar detector, solar panel, car led lining strip and more
Plug and play: Easy to carry when travel.
USB C to cigarette: convert power from USB port to 12V car cigarette lighter socket. Output:12V 1A~2A Max