The Collar Receiver for FieldTrainer® 425X, SportHunter® 825X and SportTrainer™ 575E/875E Remote Trainers. Add another dog to your current SportDOG Brand® electronic training collar system or replace a Collar Receiver with the SDR-AFX Add-A-Dog® Receiver Collar.
Collar Receiver only; expand your current system or replace an old collar Compatible with the SportDOG Brand FieldTrainer 425X (SD-425X), 425 (SD-425), SportTrainer 575 (SD-575E), 875 (SD-875E), and SportHunter 825X (SD-825X), 825 (SD-825) Waterproof and submersible to 25 feet using DryTek technology Fits dogs 8 pounds or larger with neck sizes 5″-22″ Rechargeable lithium-ion battery with 2-hour quick charge; features a low battery indicator to let you know when to charge Detailed operating guide and a locally based Customer Care Center, reachable via call, email and live chat
