The original Collar Receiver for WetlandHunter 425.
Add another dog to your current SportDOG Brand electronic training collar system or replace a Collar Receiver with the SDR-AC Add-A-Dog Receiver Collar.
Comes with a convenient docking station that charges the collar in 2 hours.

Compatible with:
FieldTrainer 425 (SD-425), 425S (SD-425S)
SportHunter1225 (SD-1225), 1825 (SD-1825)
WetlandHunter 1825 (SD-1825CAMO)
ProHunter2525 (SD-2525)
HoundHunter 3225 (SD-3225)

UplandHunter 1875 (SD-1875)