The adapter is equipped with 2 fuses. Dimensions: 95 * 88 * 34.5 mm Compatibility: 12V-24V cars, RVs Built-in fuse in the adapter Protects connected devices and the adapter from high temperatures. 【Car USB Charger with Cigarette Lighter Socket】The car charger has 4 Quick Charge 3.0 USB ports and three 2.4A USB ports. Unlike other car chargers on the market, it quickly charges 4 devices simultaneously. Great for phones, tablets, GPS, cameras and other USB devices. It is the best choice for saving time and money. 【3-Socket Cigarette Lighter Splitter】This car charger splitter expands the cigarette lighter socket from 1 to 3 sockets. It provides a total power of up to 110W and a maximum power of only 60W. All sockets are manufactured according to international standards. They are perfectly suited for various in-car devices, such as dash cams, GPS, seat heating systems, humidifiers, car fans, etc.