36W Dual USB Fast Car Charge: With dual QC3.0 USB ports supporting, the usb car charger fast charge two compatible devices simultaneously at QC3.0 speed, up to 4X faster than conventional charging, Dual port total output 36W, each port output 18W / 3A, which can rapidly charge for Phone from 0% to 80% within 30mins and fully charged other device in 1 hour Premium Materials and Design: KEWIG Car charger is made of high temperature and low temperature resistant materials, which can be used in -20-60() working environment, Equipped with colorful voltmeter which can monitor the voltage value of the car battery in real time, allowing you to know the battery level of the car at any time, Colored led lights can also help you easily find the car charger usb charging port in a dark environment Advanced Safety Protection: KEWIG USB fast car charger certified by UL, FCC, ROHS, EMC, Built-in smart chip, provide overvoltage protection, short-circuit prevention, preventing your Phone from ove