Attached is the specifications for the 500W Maxspect flood. I have tested this light at Adventure Aquarium in NJ and it penetrated down over 25ft. It is not a RGB, it is available in 10000K and 14000K dimmable by two channels (white & blue). We can offer 0-10V control on this fixture.
Chris
chris@coralvue.com
985-607-8655