Petsafe Underground Dog Fence Collar - For Stubborn Dogs - Waterproof Receiver - 5 Levels of Correction Plus Vibration - PRF-275-19 Bonus One 9 Volt

Progressive Correction - if your pet attempts to leave the yard, the receiver will automatically increase the correction level until he returns.
Anti Linger so the dog cannot stay in the warning zone and run down the battery.
Levels are easily changed with a push of a button on the receiver.

Safety features include:
***Protection against false activation - Only our transmitter can activate the receiver. No false activation from Televisions, cordless phones, garage door opener etc.
***Receiver Fail-Safe - If your pet gets trapped in the correction zone, the receiver will shut down after 20 seconds to protect your pet.
***Receiver with adjustable collar.

The PetSafe Stubborn Dog Collar is for the occasional hard-to-train dog and is compatible with all PetSafe, Radio Fence and Pet Guardian Brand underground dog fences EXCEPT UltraSmart Rechargeable In-Ground Fence (PIG00-13619) and YardMax Rechargeable In-Ground Fence (PIG00-11115).
Also compatible with the Indoor Pet Barrier Transmitter (PIRF-100) to protect your pet indoors.
It weighs just 3 ounces and measures 2.25 x 1.5 x 1.25 inches. It is three times more.powerful than our regular dog fence collars and is designed with stubborn or hard to train dogs.