REMOVED FROM A WORKING PRODUCTION LINE WHICH WAS FULLY FUNCTIONAL PRIOR TO UPGRADE. WE CAN SELL THE COMPLETE UNIT AS IN THE PHOTOS OR JUST THE DU-4 ON ITS OWN AS ADVERTISED. THIS SALE IS ONLY FOR THE DU-4 PLEASE MAIL US IF YOU WANT THE COMPLETE UNIT WITH EVERYTHING IN THE MAIN PHOTOGRAPH. If your not happy with it you can return it to us for a full refund providing it is in the same condition as we shipped it.