Freedom is not restricted！The car charger fast charge usb car charger with one for four, fast pace + multi-port charging, so you never have to wait.Feature:-A wide range of protection measures. For you to filter out the danger and use with more confidence. Over-current protection, over-temperature protection, over-voltage protection, over-power protection, short-circuit protection, voltage monitoring protection-Robust and durable. Flame retardant and durable ABS shell + aluminium alloy material, high temperature resistant, not afraid of falling, durable.-4 ports for simultaneous charging. 4USB ports support QC3.0 and simultaneous charging of different devices.-Mini and portable: suitable for home, travel, office, etc. Easy to carry and use.Specification:Name: Intelligent car charger Digital display: voltage monitoring, charging currentNumber of ports:4(3*2.4A+QC3.0)Input:DC12V~24VOutput USB1:DC5.0V/2.4AOutput USB2:DC5.0V/2.4AOutput USB3:DC5.0V/2.4AOutput USB4(QC3.0):5V/3A,9V/2A,12V/1.5AProduct size: 2.36*1.51*0.98inchPackage included:1* Car chargerIf you are not satisfied with our products or have any questions, please feel free to ask our customer service staff. hours a day.Finally, I wish you happy shopping!