Click the image for some some quality selling going on, read the Q & A too, who says honesty doesn't pay.
It is of a single skin design, and is basically a flysheet with a sewn in ground sheet, no inner tent. it does feature its own in-built irrigation system and every morning I had enough water inside the tent to make a brew and do a boil in the bag breakfast, you just need to wring out any clothing or your sleeping bag and you are ready to go.