PC grow 70w HPS Question

I have a computer case that I've turned into a mirco cab, i want to put a 70w hps inside but my question is do i have the right stuff...

external ballast
http://highpressuresodium.net/index.php?main_page=product_info&cPath=5_49&products_id=27

bulb
http://highpressuresodium.net/index.php?main_page=product_info&cPath=4_38&products_id=26

am i missing something? +rep for help, thanks

looks like everything you need to me

Plug from wall to ballast?

u need that light exausted to control temps