3 Cigarette Lighter Sockets. The 3-socket car charger provides a total power of up to 10,000mAh 100W (maximum power 100W for each socket), supports simultaneous use of most portable devices in the car, such as: For example. small GPS, dashcam, car recorder, navigation device, Tom-Tom, handheld vacuum cleaner, air purifier, car humidifier your 12V/24V vehicle. 4 USB Charging Ports. 4 USB devices can be charged at the same time, e.g. For example, mobile phone, MP3, IPOD, USB fan, USB lamp, etc. With excellent design and good quality, this functional 3-in-1 power splitter can meet all your car travel needs. LED Voltage Indicator The indicator lights up when the connection is successful and monitors your car battery voltage in real time. It is convenient to check this at any time to avoid breakdown on the road. Single Button Switch A separate switch for each cigarette lighter socket. Simply press the button to turn the device on or off. You don't need to plug and unplug your devices,