Used for the PetSafe deluxe little dog bark control. Lasts for up to one month.
Automatically adjusts to your dog's temperament starting at lowest level. 6 levels of static correction, progressive correction feature increases correction to next strongest level. Uses vibration sensor to sense for barking, sensor probe cannot be removed or adjusted. Must fit properly, cannot attach leash to collar. Dog should be at least 8 lbs. One center black plastic sensor probe. Manual and video included.
Uses ultrasonic sound to deter nuisance barking. Detects bark up to 50 feet away. 4 levels of operation. Durable and weatherproof. Two color LED for good/low battery indication. System includes: Outdoor bark control and operating guide.