The SDR-AH is an Add-a-Dog Receiver Collar for the SportDog HoundHunter SD-3225.
This Collar Receiver comes with a blue strap.
- DryTek waterproof design technology
- Convenient docking station charges system in 2 hours (included)
- Waterproof and submersible to 25 ft.
- 40 to 60 hours "on-time" between charges