The Collar Receiver for FieldTrainer 425X and SportHunter 825X 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