Features:Three arette socketsThe adapter has three arette sockets. The maximum power of each arette socket is 100w, can power most of the small car electrical equments. Please do not exceed the total power of 100w.Four USB interfacesThe adapter can charge 4 USB devices simultaneously. Each USB port is 2.4a max(total 3.1a max), which can deliver the optimal charging current to your devices ligently.Independent power switchEach arette socket is fitted with its individual switch to save energy and protect the devices. Besides, the main switch es it not longer neceary to connect and disconnect the cable.Led screenRed led screen monitors the battery voltage in real time to protect the battery and extend battery life.Safe designDesigned with repable 10a fuse and bold pure copper wire, safer to use, providing multe protecting service, including over-voltage, over-current, over heating, over-load, short-circuit protecting. The adapter will automatically stop working when it's overload or overheat. of applicationWidely suitable for , FM nsmitter, car , dash camera, car fan, phone, tablet and so on, designed for 12-24v vehicles, such as truck, car, SUV, etc.Specification:Type: car arette adapterQuantity: 1aterial: ABS + copper electric componentColor: blackPower: 100wInterface: 4* UAB slot+ 3* arette socket + arette interfaceSize: 8.74*9.34*3.38cm/ 3.4*3.6*1.3inch(L*W*H)Cable length: 58cm/ 22.8inchNet weight: 181g/ 6.38ozPackage:1* car arette adapter