This Works: Nintendo ds lite bought from overseas...will this plug work or will I have to buy a convertor? ?

I bought a Nintendo ds lite from ebay and am awaiting its' arrival. It comes with an AC Adapter 220v-240v (2 plug). Will this plug work in Australia? Or will I have to buy a convertor for it? Nintendo ds lite bought from overseas...will this plug work or will I have to buy a convertor? ?
you will need a convertor