Original collar receiver for the Field trainer SD-400S. This unit can be used with any SportDOG Brand FieldTrainer, SportHunter, WetlandHunter and ProHunter transmitters.

Features

• 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 thru manufacturer