SportDOG Brand In-Ground Fence Add-A-Dog Collar - Additional, Replacement, or Extra Containment Collar - Waterproof with Tone/Vibration and Shock Pro (7.9 - 8.6 oz) the rangefinder's high-speed digital clock

the rangefinder's high-speed digital clock measures the time it took for a laser beam to reach a target and return to the unit

there is no installation work required

or adding an additional (or more) dog to your existing fence

UPC: 713132572085

SportDOG Brand In-Ground Fence Add-A-Dog Collar - Additional, Replacement, or Extra Containment Collar - Waterproof with Tone/Vibration and Shock Pro (7.9 - 8.6 oz) the rangefinder's high-speed digital clockBrand: SportDOG Brand Color: Black Features: This is the Collar Receiver only; Compatible with the SportDOG Brand In Ground Fence System (SDF 100A) The waterproof Collar Receiver sends a tone and vibration as your dog approaches the boundary, and then moves to one of 4 static correction levels that you select, based on your dog's temperament The SportDOG Brand In Ground Fence can be expanded to contain an unlimited number of dogs with the purchase of