SportDOG Contain-N-Train In-Ground Fence System - SDF-CTThe SportDOG Contain N Train In Ground Fence System (SDF CT) is a combined containment and training solution designed for dogs 10 pounds and larger. It lets you define a boundary and train inside or outside it without swapping collars. All in one collar receiver system: Containment and training come together in a single setup, so you dont have to switch collars as your training progresses. Boundary wire and flags included: Includes 1,000 feet of