The Collar Receiver for FieldTrainer® 425XS Stubborn Dog Remote Trainer. Add another dog to your current SportDOG Brand® electronic training collar system or replace a Collar Receiver with the SDR-ASX Add-A-Dog® Receiver Collar.
Waterproof and submersible to 25 feet using DryTek® technology
For dogs 8 pounds or larger with neck sizes 5" - 22"
Rechargeable lithium-ion batteries Charges in 2 hours, lasts 40-60 hours per charge