SportDOG Brand Contain + Train Add-A-Dog Collar - Additional, Replacement, or Extra In-Ground Fence + Remote Training Collar - Waterproof and Rechargeable with Tone, Vibrate, and Shock : Amazon.ca: Pet Supplies
SportDOG Brand Fieldtrainer 425X Add-A-Dog Collar : Amazon.co.uk: Pet Supplies
SportDOG Brand SportHunter 1225X Remote Trainer - Rechargeable Dog Training Collar - E-Collar for Dogs with Shock, Vibrate, and Tone - 3/4 Mile Range - SD-1225X : Amazon.ca: Pet Supplies
SportDOG SD-1875 Add-A-Dog Additional Collar / Extra Receiver SDR-AB
SportDOG® UK
SportTrainer® 425X
SportTrainer® Add-A-Dog Collar
Sdr-ah HoundHunter® 3225 Add-a-dog® Collar - Store | SportDOG