Optimus car charger 12/24v dual usb output 12w (5v-2.4a) Product SKU:1090 Model:GS-0052 Input power:12/24v 2xusb output: 1x5w (5v-1a) 1x12w (5v-2.4a) Color:Black and white Weight:0.056kg Small ripple coefficient≤80mVp-p Small volume, Light weight, High efficiency(75% ) Protections: short circuit, over load, over current All protective plastic shell ABS. Compatible with most cell phones, smartphones and tablets pc. 