The Dogtra 1800NC is for Sporting dog or K-9...for mild-mannered to stubborn disposition dogs. Designed for hound owners or anyone who needs a dependable long-range training collar to control one or a number of dogs in the field at once. The 1800NC is a reasonably-priced single- or multi-dog unit that offers eight levels of stimulation with a selector style intensity control (8 Nick and 8 Constant modes). Features a waterproof receiver and transmitter with long-lasting rechargeable Ni-MH batteries, and a 1-mile range. These features, along with industry-leading durability, make the 1800NC Pack Trainer the Leader of the Pack.

Note: If you select a 2-dog system, you will not be able to add  3rd or 4th collar receiver at a later time.  Units are shipped as finished units at purchase.