I own the aquacontroller 2 and an aquacontroller . IMO the value isn't there. Especially only to control a total of 4 things at any given time. Thats it no expansion.
BTW I use tunze 6100's and their not controlled by the ac2 or ac. I am also not saying anything about dayligh,sunset or moonligh cycles . I just said I control my 3 halides, vhos, and moonlights via the controller, Plus I control my ozone, ph tank monitoring,heater, chiller , fans, closed loop, yes my streams are on the ac but only so they can be turned off in the event of rising heat, I also have a float switch attached to it for a double safety on the tank for overflow protection(if the water in the display's overflow gets too high it tells my ac to turn off my return pump ). Plus in the end I can still acess my ac from the web to do things .
I am not saying the lighthouse doesn't work but its very limited for the price IMO