PetSafe Bark Control Collar PBC-102 Type: Bark Control Material: Bark Control Unit with Adjustable Collar Lifetime Warranty One of the smallest bark collars available at only 23 ounces Sophisticated microprocessor technology provides a warning beep with the first bark Six levels of progressive correction for stubborn dogs Not too strong for small or timid dogsyet strong enough for large or stubborn dogs Automatic shut-off if your dog continues to bark more than 15 times in a 50 second period, the PBC-102 will then reset after 3 minutes Owners Manual Color: Multi-Color Color Mapping: Multi-Color Dog Age: Adult Breed Size: Medium Breed