Installation method: The back of the charging seat is marked with "+" "-", corresponding to the power of the positive and negative poles.




Installation method: the back of the charging seat is marked with "+" "-", corresponding to the positive pole or negative pole of the car or motorcycle.
-Suitable for charging GPS, phone, car MP3 power, car vacuum cleaner power, car tire inflation power, etc.
-Can not be used to light cigarettes because of different structures
-With a dual port 5V (volt) 2.1A (amp) (max 4.2A) outlet to charge power requirement devices and 12V digital voltmeter