PetSafe In-Ground Pet Fence for Dogs and Cats over 8 lb.

Safe and Customizable – Gives your pets room to play with up to 1/3 of an acre coverage, expandable up to 25 acres with the purchase of additional wires and flags (sold separately).Lightweight Receiver Collar – Designed for dogs over 8 lb with neck sizes from 6 to 26 inches.Adjustable, Waterproof Receiver Collar – Features 4 levels of static correction plus tone-only mode for training.Low Battery Indicator – 1-2 month expected battery life depending on use with easy to install RFA-67 battery.Create Keep-Out Areas – You can create additional boundaries around areas such as gardens, pools, and swing sets in your yard.Surge Protector – Protect your In-Ground Fence from surges or spikes.