When you need a tough waterproof trainer that can handle everything you and your dog dish out, look to the H2O series of trainers from DT Systems. Designed for all training applications for the toughest of waterfowl retrievers to the hardest charging upland dogs, the H2O trainers can take whatever you can throw at them and more. The key DT technologies of MAXX-Range 360, Vibration Assist, and 16 levels of easily adjustable Gentle Touch Stimulation ensure that you can customize your new DT H2O PLUS trainer to fit any training solution.