Educator Titanium Flex Wing Comfort Pads CPAD 033 for Long Haired Big Dogs Educator Collars The PetSafe Stubborn Dog Use the remote transmitter The PetSafe Stubborn Dog In Ground Fence System PRF 3004XW 20 (both the transmitter and the receiver collar) is covered by the manufacturer’s warranty for 3 years This receiver collar has 4 adjustable static correction levels and a tone only mode these programmable levels are harmless and enough to get your dog's attention and teach him to stay in the boundary that you have established 1 x CPAD 033 Comfort Probes – Perfectly sized for the BP 504 Bark Collar for big Titanium Flex Wing Comfort Probes – Tailored for big dogs wearing theRX90 120X collar fit for ET300