The USB car charger with voltage display is ideal for those who need to keep their devices the go. Its dual USB ports allow for simultaneous charging of multiple devices, making it ideal for long trips. The built-in voltage display helps you keep track of your vehicle's battery status, ensuring you never run out of power unexpectedly. Features -Color:Black -Material:ABS -Size:15.00X7.00X4.20cm/5.89X2.75X1.65in -Simultaneous device charging: the dual usb ports enable you to charge two devices at the same time, ensuring your phone and other gadgets are always ready for use -Universal voltage support: compatible with 12v-24v input, this charger is ideal for use in various vehicles, from cars to boats, offering flexible charging solutions -Convenient control the central control switch allows for easy operation, giving you the ability to control power distribution with ease -Real-time voltage monitoring: the integrated voltage display provides updates on your vehicle's voltage, helping you monitor and maintain battery health -Versatile combination unit: this multifunctional design caters to a wide range of needs, making it an essential accessory for anyone requiring power on the go Package list: 1 x switch control 4 x screws 6 x blue accessories