DT, Dependable and Tough, and the DT Master Retriever 1100 is no exception. Built with rugged durability in mind for those long days in the marsh, and outfitted with Mossy Oak Blades camo, the DT Systems Master Retriever 1100 is ready for the field. Features 100% waterproof collar and transmitter, 1,100 yard range, 16 levels of e-Stim, Vibration Assist mode, compact and lightweight design to handle anything you and your dog can dish out.