For dogs 8 pounds and upWaterproof receiver collar fits neck sizes 6-28 inches and includes a RFA-67D-11 batteryCovers up to 1/3 acre with included boundary wire and expands up to 5 acres with additional wire (not included)4 adjustable levels of static correction and Tone-only mode alerts your pet with a beepAdd an unlimited number of pets with additional in-ground receiver collars

Basic In-Ground Fence keeps your pet safely contained and secure in your yard. Install the system in about a weekend by setting up the transmitter and burying wires around your yard. The fence covers up to 5 acres with additional wire and flags. You'll place flags around your yard and train your pet where his new yard boundaries are in fun, quick training sessions over the next 2 weeks. Most pets learn their new boundaries quickly. If your pet gets too close to the yard edge, the waterproof receiver collar reminds your pet with a warning beep, followed by a safe, gentle static correction if he continues. Run Through Prevention- Correction increases if your dog tries to run through the boundary zone. Add an unlimited number of pets by purchasing an extra collar for each pet. WiseWire 18 AWG PE30 is a heavy duty, high-strength, flexible, copper-clad steel wire. A custom grade steel core, metallurgically bonded with a copper cladding, that is uniform and continuous, creating a bi-metal conductor that acts as one and is corrosion resistant. Special annealing and drawing processes are performed during the cladding process to achieve...