USB CAR CHARGER specification Input:5.6-32V Output:USB1:5V3A/9V2A/12V1.5A C2:4.5V5A/9V3.3A/12V2.5A 1.Fast charging,over voltage,over current,overcharge protection. 2.Reverse polarity protection,short circuit protection. 3.Cigarette lighter socket for digital device power supply. Introduction Applicable models:automobiles,motorcycles,buses,ships,RVs,yachts, and all 5.6-32Vvoltage vehicles Connection mode:red wire is connected to the positive pole of power supply, and black wire is connected to the negative pole of power supply. Compact,easy to install,environmentally friendly materials,USB charger, powerful,can charge mobile phones,tablets and other digital devices, and power supply,is definitely one of your best car accessories.