Multi-socket USB car charger: Allows you to charge 2 devices simultaneously with a single adapter Quick Charge 3.0 technology: The socket recognizesîyour devices and automatically adjusts the charging current for each device Compatible Devices: Charge smartphones, tablets and GPS. Brands: Android Phone, Nokia, Windows Phone, Samsung Galaxy, Edge, Note, LG Nexus, iPhone, iPad, Motorola, Blackberry... Monitor your car battery: The LED display shows the battery voltage and allows you to assess its working status - built-in voltmeter and ammeter to monitor your battery (car and phone). Technical Specifications: USB Port: 4.8A. Input Voltage: 12-24V - Output Voltage/Current: 5V 【Features】: 1. With LED display, car battery voltage, mobile phone charging voltage and charging current can be monitored simultaneously 2. Two USB ports provide power simultaneously 3. Built-in management chip, intelligent shunt and fast charging will not damage the machine 4. It is made of aluminum alloy and