3 DC sockets car cigarette lighter Dual USB charging ports: 1A USB Port and 2.1A Port，intelligent current output Max. Rated power 120W socket with Separate Switch Intelligent vertical battery voltage detection， red digital display. Each socket comes with blue light when the power is on When the current is too big， it will be off automatically，do not burn the fuse. Dual USB Charging Ports with 3 WAY DC Separate sockets One is 1A USB port which is for iPhone and small devices such as MP3 and MP4 player The other is 2.1A USB port which is for iPad and large devices 3WAY DC socket with Max 120W power， can charge the 12v/24v device in your vehicle Intelligent Display: when you connect with your car， It Intelligently detects the car battery voltage and display them with Red digitals .when you charge your device， it will detects and display the current charging. It will intelligently change the charging current according to the different device and different charge status. Specifications: Voltage Display:6-30V Current Display:60MA-3100AM Input Voltage: DC 12~24V Cable Length: 75cm Max Rated Socket Power: 120W USB Output Voltage: DC 5V USB 1 Port: 1A， USB 2 Port: 2.1A Output Current:10A Weight: 180g Produt size:96.5X76.5X34.5mm