does my iPad have retina display?

I recently purchased an iPad from an Apple store.I wanted a new iPad with retina display,but I think I may have mistaken an iPad 2 for a new iPad.I was just comparing models on Apple website.My iPad has the 30 pin connector.On the apple website the new iPad has the lightning connector.The moden number of mine is MD366X.Is my iPad an iPad 2 instead of the new iPad? Is there any other way I can tell?