oops, sorry not real good with this computer shit!! This is my 400w system, only small, but fits down the side of our house. Its about 900mm wide, go into the first room wth all the controls, you can close first door, to open second door to keep it light proof, then into next room which is 900mm x 1200mm. Its pretty sweet, this is my third grow! I take cuttings second week of flower phase, then raise them in seperate room till main room is harvested, then stick cuttings straight in and switch them. The room has four pots, 2 x 400w's ( one sunpulse mh , and a sylvania hps) These photos are sixth week of flowering- i get an pound on average every two months (touch wood!) Mainly all the info has been from here- so thanks guys!! The pots of critical+ and back left corner is white widow!!!