Product Description: BESTEK 4-in-1 DC Auto Adapter expends expands 1 lighter socket to power 4 electronic items • The 2 cigarette lighter sockets (DC outlets) provide a total power of up to 150W, perfect for simultaneously use of multiple car appliances Dual USB Charging Ports • Dual USB charging ports enable you to charge 2 devices simultaneously.The 1A port is ideal for charging iPhones, Android cell phones, MP3 players, etc. The 2.1A port offers a current strong enough to quickly charge iPads and other tablets. • 2 embedded blue LED lights makes it easy to find in the dark High Safety Standards • Designed with anti-corrosion metal connectors, heavy duty copper wires and protective circuits ensure that your devices will never overload or overheat Product Specification • Rated Power (2 DC Socket):150W • Input Voltage:12V / 24V DC • Output Voltage:12V / 24V DC • Dual USB Output :5V DC/3.1A in total WARNING Please keep the other USB port free while charging your iPad and other large devices. With 18 Months Warranty and Provide Friendly, Easy-to-Reach Support.