THREE CIGARETTE LIGHTER SOCKETS - Three sockets meet enough for GPS,dash cam & simultaneous use of a variety of portable appliance in your 12V/24V vehicle. | 2 Smart USB Ports - 2-Port USB charging ports with 3.1A total output enables you to rapidly charge 2 devices simultaneously. with built-in Smart IC technology that can intelligently detect your devices to deliver its fastest possible charging speed | Independent Power Switch & LED Voltage Display- Each cigarette lighter matched with its individual switch for energy-saving and devices protection. Monitor battery voltage in real time to protect the battery, prolong the service life of battery | Multi-Protect safety system & Long Cable- Built-in Safe fuse and smart recognition chip prevent from over-current, over-voltage, and short-circuit protection, ensure complete protection for you and your devices. 2.3ft extension cord make it convenient for your family and friends in the backseat | Widely Application & 2-Years Warranty- Universal for 12-24V vehicles, adapt to main stream vehicle types such as cars, SUVs, trucks, off-road. We provide 2-years warranty policy. Buy with confidence. If you have any concerns or questions about this product. Please feel free to contact us