Sportdog In-ground Rechargeable Fence System

Sportdog In-ground Rechargeable Fence System. System features a smaller and sleeker Collar Receiver than the original In-Ground Fence system (SDF-100A). The collar features a Li-Ion battery that charges in two hours and has a one to two-month battery life. Now featuring seven levels of static stimulation as well as vibration and tone it?s easier than ever to keep your dog safe and secure. With 1000 feet of wire and 100 flags you can contain an area as large as 1 1/3 acres (or up to 100 acres wit