The Dogtra Combo is the perfect remote e-collar system for smaller dogs of ten pounds and up. Its intuitive remote offers advanced one-hand operation, so your focus can stay on training your dog. The Combo is a low to medium stimulation training collar with our unique boost system.
In addition to eight levels of stimulation, three instant boost options makes this a great tool for training your pet, hunting dog or professional police K9. Features of the Dogtra Combo. Low to Medium power stimulation.Designed for dogs over 10 pounds. 4 Stimulation modes'Nick' and'Constant' stimulation along with the high performance pager & audible tone. Compact receiver-collar designed for smaller dogs. Rapid charge Lithium Polymer batteries (2 Hour charge time). Easy to use 1-handed operation. Whats in the Dogtra Combo Box. Universal Charger (110v/ 220v/ 240v). Dogtra Combo Owner's Manual.