Four Pack Dog Fence Batteries for Invisible Fence R21 or R51 Receiver Collars by Perimeter Technologies Intech 【SLOPE SWITCH TECH】: Pressing "M"

【SLOPE SWITCH TECH】: Pressing "M" button and hold it for 10 seconds

UPC: 888167221793

The Gamma Micron's paddle’s face has a yellow honeycomb background and a black edge guard which wraps around the outside of the paddle’s face

5 inch charge time: 3-5 hours

with a thicker 23mm flat beam compared to the Autograph version

Four Pack Dog Fence Batteries for Invisible Fence R21 or R51 Receiver Collars by Perimeter Technologies Intech 【SLOPE SWITCH TECH】: Pressing "M"Brand: 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