Three Modes of Power Supply
1. Powered by 4*AA battery
( Battery is not included)
2. Connect to the vehicle battery
( One DC to battery cable included)
3. Connect to the electric power
( One DC to USB cable included, adapter is not included, you can use DC5V-12V adapter)
( One DC to USB cable included, adapter is not included, you can use DC5V-12V adapter)