When you reply to a question, direct your answer to both the questioner and other members of the audience. Try to keep your responses as focused as possible. This will help keep them brief and preserve space for other questions.
Four Pack Dog Fence Batteries for Invisible Fence R21 or R51 Receiver Collars. eBay determines this price through a machine learned model of the product's sale prices within the last 90 days. eBay determines trending price through a machine learned model of the productâs sale prices within the last 90 days.
An invisible fence (or electric, hidden or underground fence) keeps pets inside an invisible boundary via electronic underground wires that send signals to a receiver on the pet's collar. If living in an area with frequent thunderstorms, consider buying a lightning protector. 2  These cost between $35 and $55. 3  Keep in mind that an invisible fence doesn't keep other dogs, animals or people out of the yard.