Four Pack Dog Fence Batteries for Invisible Fence R21 or R51 Receiver Collars by Perimeter Technologies Deep Night Distances: F/C/B to greens

Distances: F/C/B to greens

Self winding movement

unobtrusive way to collect and analyze your on-course performance data

Thumb tab allows you to easily adjust your fit

Four Pack Dog Fence Batteries for Invisible Fence R21 or R51 Receiver Collars by Perimeter Technologies Deep Night Distances: F/C/B to greensBrand: Perimeter Technologies Features: Pack of 4 batteries.; The Perimeter Brand Invisible Fence Replacement Battery is the best solution for keeping your Invisible Fence Brand system operating safely.; Compatible with R21, R22, or R51.; Less Expensive than the original. Publisher: Perimeter Technologies Details: batteries Package Dimensions: 3. 6 x 2. 3 x 1. 0 inches