The D.O.G. Director 700 features a 700-yard range, made possible by our exclusive MAXX-Range 360 technology to ensure positive FM signal reception, no matter the terrain. The DD700 is fully waterproof and offers our quick charge Li-Poly batteries with our SmartLED light that lets you know when charging is complete and how much charge is left during use. The E-Stim feature (with 10 levels of Nick and Continuous stimulation) easily adjusts at your fingertips and always ensures the proper setting for your dog's unique personality. And our "Jump" feature is user programmable to any e-stim level. Alternative training selections feature our Vibration Assist and a beeping tone for no e-stim alternative training options. The D.O.G. Director 700 is the result of over 30 years of experieince researching, producing, and field-testing the best E-collars in the business. DT Systems...Dog Training Freedom at your fingertips!