Xcellent Global Dual Port 15W 3.1A Rapid USB Car Cigarette Charger with LED Display Display Input Voltage, Output Current & Internal Temperature (Centigrade), White with Blue LED M-AT004 FAST DUAL USB CHARGING PORTS - Combined 3.1 amps; 15W; uses smart technology to ensure each device pulls the right amperage. Charger is powered by the vehicle's cigarette lighter. Equipped with Over-charge Protection. (Auto power off when input/output is greater than safety current, protects against over-heat, over-current and over-charging.) LED DISPLAY - LED digital luminescence tubes; Display cycles between internal temperature (Centigrade), device's charging current, and the voltage of the vehicle's car battery. The LEDs are bright enough to read the display without being a distraction while driving. (Does not display temperature while charging) SPECIFICATIONS - Input: DC 12V - 24V; Output: DC 5V/3.1A; 15 W; Conversion efficiency 95%; Measuring range: Voltage 5V-25V; Current 0 - 3.1A; Temperature :-20 centigrade~ +80 centigrade Compatible with iPhone 6, 6s, Plus 6, 5s, 5c, 4s, 4, iPods, iPad, Samsung Galaxy Note 2, Note 3, S2 S3, S4, S5, HTC One, LG G3, Most Android/Windows Smart Cell Phones, GPS, Tablets, and Other USB-charged Devices Package Include: 1x Dual USB Port Car charger