SportDog Dog Underground Fence Specifications

• Capable of enclosing up to 100 acres with additional wire and flags
• Complete Instructions
• 100% Waterproof Collar provides four adjustable correction levels plus beep and vibrate-only modes
• Expands to include any number of dogs with purchase of additional collar-receivers (Model SDF-R)
• Low-battery indicator
• Receiver uses a common 9 volt battery with an average life of 6-9 months
• Built-in lightning protection
• Wire-break alarm on transmitter
• "Anti-linger" feature on collar keeps dog from constantly testing the boundary
• Lifetime Warranty