HPS and M/H in one lamp?

[budgrower]

Anyone heard of or seen these before?
Hybrid lamps
http://www.persygrowbox.co.uk/store/index.php?main_page=product_info&cPath=2_45&products_id=183T
The man at the growshop said they are new in, so not much info about them.

 

[mountaindank]

There's a thread on these over in Growroom Design & Setup:

 

[easypleasie]

This is the first dual arc i've seen for a 600w