PetSafe In-Ground Pet Fence for Dogs and Cats over 8 lb.- Waterproof with Tone and Static Correction

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