For dogs 8 pounds & up. The Yard Trainer by SportDOG is designed for reinforcing basic dog obedience around the house or yard.
The SportDog Yard Trainer is Great for smaller or more sensitive dogs and first-time electronic collar owners. It is the first full featured remote trainer designed for both the professional trainer and the average pet owner with no training experience. A complete, comprehensive training manual shows how to properly use the collar to make training a fun and rewarding experience for both you and your dog.
Features a waterproof compact collar/receiver with a range of 100 yards, and water resistant palm-of-the-hand sized remote has 8 levels of correction as well as a tone only button.