SportDOG FieldTrainer 425XS Add on Collar

 SportDOG FieldTrainer 425XS Add-on Collar 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. Features Waterproof and submersible to 25 feet using DryTek® technology For dogs 8 pounds or larger with neck sizes 5" - 22" Rechargeable lithium-ion batteriesCharges in 2 hours, lasts 40-60 hours per charge    Compatible with : FieldTrainer® 425X (SD-425X), 425XS (SD-425XS), 425 (SD-425), 425S (SD-425S) SportHunter® 825X (SD-825X), 1225X (SD-1225X), 1825 (SD-1825X), 825 (SD-825), 1225 (SD-1225), 1825 (SD-1825) SportTrainer™ 575 (SD-575E), 875 (SD-875E), 1275 (SD-1275E) WetlandHunter® 425X (SD-425XCAMO), 1825 (SD-1825XCAMO), 425 (SD-425CAMO), 1825 (SD-1825CAMO) ProHunter® 2525 (SD-2525) HoundHunter® 3225 (SD-3225) UplandHunter® 1875 (SD-1875)