SportDOG Brand FieldTrainer 425X/SportHunter 825 Add-A-Dog Collar-Additional, Replacement or Extra Collar for Your…

The Collar Receiver for FieldTrainer 425X and SportHunter 825X Remote Running shoes. Add any other dog in your current SportDOG Brand electronic coaching collar system or replace a Collar Receiver with the SDR-AFX Add-A-Dog Receiver Collar.

Collar Receiver simplest; 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)
Water resistant and submersible to 25 feet the use of DryTek technology
Fits dogs 8 pounds or larger with neck sizes 5″-22″
Rechargeable lithium-ion battery with 2-hour fast charge; includes a low battery indicator to can help you know when to charge