Replacement and upgrade parts for the Professional System Showing all 4 results Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sort by On Sale: Show first Sort by Featured: Show first DogWatch R7m Receiver Collar Kit. $270.00 Select options DogWatch R9 Receiver Collar Kit. $270.00 Select options Nylon Collar for DogWatch Receiver $20.00 Select options Rechargeable Battery Back-up $62.00 Add to cart