Add another dog to your current SportDOG Brand® In-Ground Fence system (SDF-100A) or replace a Collar Receiver with the SDF-R Add-A-Dog® Receiver. The In-Ground Fence is expandable to any number of dogs over 10 pounds.
- For dogs over 10 pounds
- 4 adjustable levels of stimulation
- Anti-Linger Feature prevents dog from running down Collar Receiver battery in warning zone
- Tone and vibration options
- Waterproof Collar Receiver
- Replaceable 9-Volt Battery
- SportDOG In-Ground Fences (SDF-100, SDF-100A)