Its a super reef octopus 5000.
http://www.aquacave.com/Reef-Octopus-SU ... 7C657.aspx
It is a very good skimmer.
All the plugs 6 lights, 1 sump light, skimmer, battery backup, auto top up, ecotechs x2, uv and uv pump, reactor pump x2, 1 return pump, air pump, 2 x heaters, 1 atc temp controller, auto-top up and one or two others