Projection Software Add-OnThe following software enhancements are for the Version 4 system. The Projection add on adds even more realism to your shooting experience. Using any ceiling mounted or short throw projector (not supplied) this add on enables you to project any image onto your shooting wall. Shoot with your local shooting ground as the backdrop and choose a bunker or traphouse to add to your image if you'd like. You'll also see your shot results right on the wall! No