Product details:

It weighs 3 ounces and measures 2.25 x 1.5 x 1.25 inches. Less than 1% of dogs need the Stubborn Dog receiver. It is three times more powerful than our regular receivers and is designed with these dogs in mind. Because of its size, this receiver should be used for dogs that are over 30 pounds. The Super Receiver and Collar is battery-operated. It is for dogs whose weight is more than 40 lb. The receiver is waterproof. It features 5 levels of programmable correction with a beep and a vibe. It has a coverage area of .33 sq. ft. The collar can be used with most in-ground fence systems.