Halogen lights burn very hot, very soon after lighting up. I've always been afraid of them and wouldn't use them in any situation. I could be very wrong about them but, this is my opinion.
I guess we are both stuck on size, I don't know the metric system and you don't know ours with feet & inches.
There is a aussie thread on here "Australia, six states and one funny little island." I sure your mates could give you proper information.