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Original collar for the SD-425 FieldTrainer and SD-825 SportHunter. Use this add another dog to your current SportDog Brand eCollar system or replace one that has been lost or broken with the SDR-AF Add-A-Dog Receiver.
Note:The Range for this collar when used with the same Model Transmitter is 500 yards. When using this collar with a Transmitter from a different Model, the range of the Transmitter will become the Effective Range.
Note:This collar will only deliver standard stimulation levels when replacing a SD-425S (Stubborn) Collar. For Stubborn dogs use theSportDOG SDR-AS Add-A-Dog Extra Collar.
Lifetime Limited Warranty