Petcove Invisible Fence for Dogs & Training Collar w/ 500' Adjustable Boundary for Medium & Large Dogs $30 + Free Shipping w/ Prime or on $35+

This Amazon listing offers the Petcove Invisible Fence and Training Collar for dogs. It features a 500-foot adjustable boundary and is suitable for medium to large breeds. The price is $30, with free shipping for Prime members or on orders over $35. This 2-in-1 system allows you to create a wireless dog fence or use it as a training collar. You can set a circular boundary up to 500 feet to keep your dog safely contained. Alternatively, you can switch to remote training mode to address issues like barking, digging, or jumping with a simple button press.