1)Input: DC12-24V 50-60HZ, 2)Output:DC3-20V/0-2100mA, 3)LED:red to red 4)CE/UL/FC Shenzhen ZhongXinTong Industrial Co.,Ltd is one professional manufacturer of various of chargers , car chargers, travel chargers, usb chargers, mobile /cell phone chargers, adapters, ac/dc adapters, power adapters, wall mounted switching adapters, etc. We have many styles available now, also can offer OEM service ...