Output voltage 5 (V) Output current 4200 (mA) Output Interface USB Type one drag two cigarette lighter Charging type ordinary car charger Charging method wired charging Product size 30*30MM Working temperature -40-70 Waterproof rating: IP66 Product Use Power supply for most car accessories, such as mobile phones, tablet PCs, IPADs, navigators, GPS, etc.: 4.2A high current, can power most of the car products, such as mobile phones, tablet PCs, IPADs, navigators, GPS, etc. Input voltage is DC12-24V universal voltage, can be installed in cars, motorbikes, caravans, SUVs, yachts and other vehicles. Used in transport vehicles such as, yachts, etc. ABS is high and low temperature resistant flame retardant material, can be used in -20-80 environment, with flame resistant characteristics. The insurance factor is very high. Black shell, double-opening hole design, coupled with exquisite workmanship, the whole product looks heroic and majestic