SportDOG Brand FieldTrainer 425/SportHunter 825 Add-A-Dog Collar - Additional, Replacement, or Extra Collar for Your Remote Trainer - Waterproof and Rechargeable with Tone, Vibration, and Shock Brilliant Blue Guaranteed USA EPA approved

Guaranteed USA EPA approved

Easy to wear - The Velcro design for easily put on or take off

Healthy Superfood - matcha is a great source of beneficial green tea nutrients and natural energy

The preset programs alternate between high intensity and low intensity recovery periods to improve your aerobic capacity and burn calories after your workout

SportDOG Brand FieldTrainer 425/SportHunter 825 Add-A-Dog Collar - Additional, Replacement, or Extra Collar for Your Remote Trainer - Waterproof and Rechargeable with Tone, Vibration, and Shock Brilliant Blue Guaranteed USA EPA approvedBrand: SportDOG Brand Color: Orange collar, black receiver unit Features: This is the SDR AF Collar Receiver only; Compatible with the SportDOG Brand FieldTrainer 425 (SD 425) and SportHunter 825 (SD 825) The FieldTrainer 425 and SportHunter 825 Remote Trainers can be expanded to train up to 3 dogs with the same Handheld Transmitter with the purchase of this SDR AF Add A Dog Collar Features DryTek technology making this collar waterproof and