Dual USB Socket Power Outlet Fast

Save charging time more than 30%; safe, fast. The output voltage is 2.1A and 1A. L3 strong performance, equipped with the field of intelligent chip, the output  voltage and current accuracy of high precision, response speed, intelligent identification, use more stable security.
Apply to all mobile phone brands, tablet PC, car recorder, electronic dog,  GPS and other electronic equipment, to eliminate the critical moment of power embarrassment.
Use for small cars, off road vehicles, mini vans (no more than 24V), yachts, motorcycles, ships. (Most trucks, excavators, large trucks, battery voltage is actually more than 48V,  which is not recommended to use this type of car.) 
Please make sure that the voltage of your car is at 12-24V