9 in 1 Cigarette Lighter Adapter: Nilight Cigarette Lighter USB Charger equipped with 6 charging ports and 3 cigarette lighter splitter sockets, which provide 163W in total. The built-in smart IC technology can detect all connected devices and deliver the optimal charging speed. Car Charger Adapter Fast charge 9 devices simultaneously in your 12V/24V vehicles. (Single socket power is not exceed 100W, NO cigarette function.) On/Off Switch & LED Voltage Display: The one switch on cigarette lighter for 6 USB & 1 USB-C(PD30W), 3 independent on/off switches for each cigarette socket allow you to turn on or off the device without affecting other charging devices. The light LED voltmeter monitors the voltage of your car's battery in real-time. Multiple Safety Protections: Nilight car USB charger built-in a PTC safe fuse, replaceable 10 Ampere fuse, smart control chip and complete protection circuits, prevent the car power splitter and your devices from overheating, overloading or sh