Train With Precision at Long Range: The SportDOG SportHunter Remote Trainer is a rechargeable dog collar and long-range signal unit with a 3/4 mile reach for serious field control Built for Real-World Demands: This field-ready training gear features a waterproof design, submersible to 25 feet, and durable collar material to perform in wet, muddy, and rugged environments Customized Control for Multi-Dog Use: The dog training controller includes 21 static stimulation levels and expands to 3 dogs with the purchase of additional collars Built for the Field: SportDOG gear was designed by professionals who demand durable, no-nonsense tools that perform in real-world conditions without fail Trusted by Serious Trainers: Professionals rely on SportDOG for proven performance, consistent control, and expert-backed training guidance that gets results