DT takes pride in producing Dependable-Tough products for you and your dog, and the Master Retriever 1100 is no exception. The Build with rugged durability in mind for those long days in the marsh, and outfitted with Mossy Oak™ Shadow Grass Blades™ camo, the Master Retriever is ready for the field. The MR 1100 features a 100% WATERPROOF collar and transmitter, 1100 yard range, sleek new compact design that easily fits in a pocket or blind bag, and a lighwweight compact collar that won't bog down your dog. Easy to use with 16 levels of e-stim and also our Vibration Assist, the MR 1100 is straightforward dog training refined, so you and your dog can enjoy more time in the field.