The SportDOG Stubborn Dog Super Add-A-Dog Extra Collar is the original collar receiver for the FieldTrainer 400S. This collar has DryTek waterproof design technology and can be used with any SportDOG Brand FieldTrainer, SportHunter, WetlandHunter, ProHunter, UplandHunter, and HoundHunter transmitters
SDR-FH Add-A-Dog Collar Features:
- High power
- Designed for larger and stubborn dogs
- Compact and lightweight (weighs only 2.8 ounces)
- Waterproof/submersible
- 2 Collar straps included (red and green)
- Low battery detect feature
- Long-life replaceable, rechargeable NiMH battery
- Lifetime limited warranty
