Input: AC 100 - 240 V
 Output: DV 12V 3.7A
Cable length: 110cm + 140cm

Features:
Universal voltage input lets you take your Wii to anywhere in the world without a heavy voltage converter
AC Charger Adapter is compatible With Nintendo Wii
Light weight and convenient to use
 
Please note this is a generic brand and is not the original Nintendo branded power supply, but it functions in the same way.