It may depend where you buy it...if you are buying from an US website it will be in USD. If an Aussie site then AUD... the plug is no big deal just use an adaptor or wire an 3 pin Oz plug into it
where are you buying it?? If a US website then it will be USD and the same if an Oz website AUD...here they are about $200AUD for an K7 pro 2.....the plug is no big deal just use an adaptor or rewire an oz plug to it