Precise stimulation levels (0-127) Ergonomic slim receiver for dogs as small as 35 pounds Fully waterproof collar/receiver and transmitter Nick, constant, and non-stimulating vibration modes Water Excelling Enhanced Contact Points The Dogtra 1900S adds subtle refinements to a proven workhorse without taking away from its intuitive user experience. The 1900S features a 3/4-mile range that allows you to cover more distance when training demands it and 2-hour rapid charge batteries to get you up and running in the shortest amount of time possible. The set is fully waterproof and the LCD on the handheld transmitter displays the battery life and stimulation level. The 1900S is a high powered unit and includes a non-stimulating High Performance Pager.
****Update***** Shortly after the 30 day return period ended, the collar developed major issues with inconsistent stim. Dogtra would not return or exchange, even though it is such a new collar and I send video showing it malfunctioning with the testing light on. Instead I have to wait for an unknown amount of weeks with no ecollar for my dog when I just forked over $230 for a collar that says "Proven Reliability" on the box.Compare this to the customer serv..
As a professional dog trainer, I use this for off leash control of larger dogs. WHEN USED PROPERLY, this item is not torture for your dog. It is simply a suggestion for the dog to pay attention to their master. The S series is their new updated version, and hopefully the batteries are better than the NCP I believe it was called, because those batteries only lasted about 2 years. Overall, with the 127 different levels of stimulation, your are not hurting your dog, once agai..