This USB car charger with voltage display is a must-have for any vehicle. Its sleek design and central control switch make it easy to use, while the dual USB ports provide convenient charging options for your devices. The voltage display helps you keep an eye on your battery's status, ensuring you up on the road. Features -Color:Black -Material:ABS -Size:15.00X7.00X4.20cm/5.89X2.75X1.65in -Dual charging capability: equipped with dual usb ports, this charger allows you to charge two devices at once, ensuring your gadgets are always ready for use -Wide voltage range: supports 12v-24v input, making it compatible with a variety of vehicles, from cars to boats, providing flexible charging options -Centralized control: features a central control switch for easy operation, allowing you to manage power distribution effortlessly -Voltage display function: the integrated voltage display offers updates on your vehicle's voltage, helping you monitor and maintain battery health -Multifunctional unit: designed to meet various needs, this combination unit is ideal for those who require a versatile Package list: 1 x switch control 4 x screws 6 x blue accessories