What voltage do Westcott electric pencil sharpeners use?

 All Westcott pencil sharpeners have an input of 100 - 240 volts. Full specifications for the sharpeners are listed below:

Input: 100-240V - //50/60Hz 0.3A 

Output: +9.0V --- 1.0A For indoor use only

With use of an plug adapter, Westcott electric pencil sharpeners may be used in Europe and Asia.