Dual USB Intelligent Chip Super-Fast High-Speed Plug Car Charger is an amazing product. You can charge any iOS, Android, Mobile, Tablet, iPad, iPhone etc with this unique gadget. It has a unique LED display to show the charging status and vehicle battery voltage actual, it also has an inbuilt low voltage alarm. Output Voltage : 3.4 Amp, Input Voltage : DC 12-24 V Suitable for every car cigarette lighter. With Smart IC shut down its internal circuit and stop charging if any dangerous current is detected. Design with LED Screen Crafted with fire-retardant materials and smart chips to offer over-current & over-charging protection.