Amazon.com : DogWatch BigLeash V-10 Vibration Dog Training Collar – Safe and Effective E-Collar with Two-Way Communication up to ½ Mile, 10 Adjustable Vibration levels plus an audible signal, Waterproof, Recharge :
R12 Mini Receiver Collar for Small Dogs – DogWatch ® R12 Mini - Hidden Fence Central Coast & Hunter
DogWatch® Systems | Hidden Dog Fences – It's All About Your Dog
Amazon.com: DogWatch S-15 BigLeash Dog Remote Training Collar - 1/2 Mile Range, 15 Training Static Stimulation Levels, Vibration and Tone, Visual Range Indicator, Waterproof, Rechargeable, LED NightLights : Pet Supplies
Collar Straps - DogWatch®
Dogwatch BigLeash S-15 Dog Remote Trainer - Walmart.com