If you’re looking for a training collar that’s great around the house as well as in the field, look no further than DT Systems’ H2O 1850 PLUS. This 1 mile range collar system has 16 levels of momentary (or Nick) and Continuous Stimulations. It also has a Beeper that is audible from up to 450 yards away and has Locate, Run and Point, and Point Only modes. Both the collar unit and the transmitter are completely waterproof. In fact, the transmitter will actually float on water. And if you ever decide to get more dogs, the H2O 1850 PLUS can expand up to a two dog system with Add-On Collars (sold separately).