Sorry for the confusion. It is a single 400 Watt light and the brand name or sytem name is sun system 2.

http://www.thehydrosource.com/Lighting/Reflectors/Sun_System_2_400w_Switchable_MHHPS with an MH for veg and HPS for flowering.

Also thanks for the fan advice. Any money that I am able to save is great so I really appreciate it!