WilliamT

Thanks for the comments, folks.
To summerwind and DMcQuinn - yes, that's the trouble with the label - it doesn't specify Watts as you would normally expect.
To tacx - I imagine there aren't too many of these around in NZ but I will try on a local forum., something I had not thought of. Thanks.
I can't plug it in to test for myself, because I expect that our 230v would cause overheating or other failure of the tool!

Thanks again,
William