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Add another dog to your current SportDOG Brand® electronic training collar system or replace a Collar Receiver with the SDR-AX Add-A-Dog® Receiver Collar. Comes with a convenient docking station that charges the collar in 2 hours.
FieldtTrainer® 425 (SD-425), 425S (SD-425S)
SportHunter® 825 (SD-825), 1225 (SD-1225), 1825 (SD-1825)
WetlandHunter® 425CAMO (SD-425CAMO), 1825CAMO (SD-1825CAMO)
ProHunter® 2525 (SD-2525)
HoundHunter® 3225 (SD-3225)
UplandHunter® 1875 (SD-1875)
SportTrainer 875 (SD-875) 1275 (SD-1275)
Compatible with: