Original collar receiver for the FieldTrainer 400S. This unit can be used with any SportDog brand FieldTrainer, SportHunter, WetlandHunter, and ProHunter transmitters.

• High Power
• For larger or stubborn dogs
• Compact (2.8 oz.)
• Waterproof / submersible
• 2 collar straps included
• Low battery detect feature
• Long-life, replaceable, rechargeable, NiMH battery
• Lifetime limited warranty