D.T. SYSTEMS H2O Receiver Collar Waist Wader or a private network you or a private network you have the password for—such as a visitor center guest network Manufacturer Part No : OA1000 Programming to your existing system is fast and simple Key Features:• Digital Technology• Adds to any H2O 1800 PLUS series training system(excluding Beeper models)• Replaces any lost or damaged H2O 1800 seriestraining system (excluding Beeper models)• Up to 1800 yard (1 mile) range• Lightweight and waterproof• MAXX Range Internal Antenna System• Rechargeable Ni MH batteries• Built in safety shut off system• Available Limited Lifetime WarrantyPackage Contents:• 1 x Collar Unit w Green collar belt• Double jack Cable