The SDR-AX is a slightly larger Receiver Collar than the SDR-AXF to support longer range remotes. Add another dog to your current SportDOG Brand electronic training collar system or replace a Collar Receiver with the SDR-AX Add-A-Dog Receiver Collar.
With rechargeable lithium-ion batteries, this Collar Receiver features a 2 hour quick charge that lasts 140-160 hours per charge.
Using DryTek technology, this rugged collar is waterproof and submersible to 25 feet, allowing it to perform in any weather or terrain.
This collar can be customized to fit any dog's temperament with tone, vibration, and static stimulation levels.
