SportDOG SDR-AF Add-A-Dog® Receiver Collar for SD-425 or SD-825

Expand your system to multiple dogs or use as a replacement collar receiver for the SD-425 or SD-825 unit.

The original Collar Receiver for FieldTrainer® 425 and SportHunter® 825. Add another dog to your current SportDOG Brand® electronic training collar system or replace a Collar Receiver with the SDR-AF Add-A-Dog® Receiver Collar. Comes with a convenient docking station that charges the collar in 2 hours.

• FieldTrainer 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)

• DryTek Waterproof design technology
• Weighs only 3.3 ounces (including collar strap)
• Ergonomic, "SHAPED" collar/receiver design