Add another dog to your current SportDOG Brand® electronic collar system or replace a lost collar receiver with the SDR-A Add-A-Dog® Receiver for the SportHunter® 1825. Compatible with SD-1825, SD-1825CAMO, SD-1225, SD-3225 and SD-2525 systems, the SDR-A Add-A-Dog® Receiver comes with a convenient docking station that charges the collar in 2 hours.
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