Add the original collar receiver for the HoundHunter 3225 system or add another dog to your current SportDog brand and electronic collar system with the SDR-AH Add-A-Dog receiver. This collar receiver comes with a blue reflective strap to easily identify collar receivers.
Compatible With:
SD-425
SD-425S
SD-425CAMO
SD-825
SD-1225
SD-1825
SD-1825CAMO
SD-1875
SD-2525
SD-3225