12/24V Dual USB Car 4.2A Voltage Display Waterproof Ports Car Phone Adapter for Mobile Phone Quick Charge

Features: *The market has not been a two-functional integrated design. *Distribution management, intelligent distribution, more current, *Save charging time by more than 30%; safe, fast. The output voltage is 2.1A and 2.1A. *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, 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, and ships. (For Most trucks, excavators, and large trucks, battery voltage is actually more than