If you have a barker in your house, the PetSafe Rechargeable Bark Collar may be your new best friend! Designed to help stop excessive barking, whining and whimpering, this bark collar features 15 levels of static correction. When your dog first barks, the collar begins emitting low-level corrections and automatically intensifies with each successive bark until he stops barking. After barking 15+ times within an 80-second period, the collar automatically shuts off for three minutes. Featuring a sensor that helps ensure no false corrections or activations due to other nearby doggo barking!