This AC Adapter from Watson powers their Compact AC/DC Battery Charger. It allows you to keep the charger on a desktop or other flat surface instead of having it plugged directly into a wall socket with its fold-out plug. It runs on 100-240 VAC power to enable worldwide use, and outputs 12 VDC and 500mA. The attached power cord is 51" long and features a DC plug that connects to the AC/DC Charger. The adapter also has a standard 2-prong North American type plug for insertion into a power outlet. Additionally, you can use the AC/DC Charger's European plug on this AC adapter. This unit is designed for indoor use only.