The Dog Expedition TC1 Add-on Border Patrol Collar works with the Border Patrol TC1 Electronic Fence and Dog Trainer System. Get the most out of your Border Patrol TC1 Electronic Fence and Dog Trainer System with additional Border PatrolTC1 Add-On Collars from Dog Expedition Systems. These specialized collars offer either vibration or audible beep warnings when your dog breaches the Warning Zone and can deliver (50) stimulation levels within the Stimulation Zone. If the final fence boundary is crossed, the “Welcome Home” feature will allow your dog to return to the Safe Zone without any warnings or stimulations. When used as a remote training system, the Border Patrol collar offers (50) stimulation levels, including popular nick and continuous stimulation, as well as vibration, “JUMP” stimulation and “RISE” stimulation. With a line-of-sight range of up to 2-miles, this collar helps makes training easy. Fully waterproof construction. Rechargeable battery typically delivers 12 to 24-hours of use. Collar dimensions: 3.25-inch by 1.75-inch by 1.75-inch (27-inch strap). Collar weight: 10-ounces. This collar has a manufacturer’s one-year warranty. Additional/replacement collar for GPS-guided Border Patrol TC1 System Vibration or audible beep warnings 50 stimulation levels for containment 50 adjustable intensity levels for remote training Two mile (line of sight) training range