Whether obedience training, or field training for hunting dog, you'll appreciate the DT Systems Master Retriever 1100. Although compact and lightweight, it can handle anything your dog dishes out. Dependable and tough, the DT Master Retriever 1100 is built with the ruggedness required for long days in the marsh or field. And since both the collar and transmitter are 100% waterproof, they're ready for any weather condition. The Master Retriever 1100 features 16 levels of stimulation in nick (momentary) and continuous modes, plus a vibration assist option. The long-distance 1,100-yard range makes it ideal for waterfowl hunting and field use. Features a sleek new design that'll fit right in your pocket or blind bag. Long-distance 1,100-yard range 100% waterproof collar and transmitter/remote Compact, lightweight collar weighs only 4.7 oz. Collar adjusts from 7-22 inch in 0.5 inch increments Antenna technology woven right inside the collar Collar powered by rechargeable NiMH batteries (included) Transmitter/remote uses 9v battery (not included) 16 intensity levels of Gentle Touch nick and continuous e-stimulation Vibration Assist (no-shock vibration-training option) Built-in magnetic on/off system Expandable to 3-dog system with turn dial (requires add-on collar purchase) Covered by DT Systems limited-lifetime warrantyIncludes: Transmitter (9 volt battery not included) Collar Receiver Test Light Owner's Manual Battery Charger Order today!