PetSafe Ultralight Sonic Bark Control Unit (No Collar)

PetSafe Ultralight Sonic Bark Control Unit (No Collar)

"The UltraLight Sonic Bark Control unit attaches right to your pet's existing collar so it doesn't have to wear a second collar. Its adjustable sensitivity levels allow you to customize it for your dog's unique bark. To deter barking, it emits a loud sound that startles your dog, disrupting his barking and discouraging it from continuing. While very effective, it is perfectly harmless. Features include: Weighs only 1ozMeasures 1.9 cubic inchesCan be attached to your existing collar (1 width or less, non-metallic collar)Adjustable bark sensitivity settings that you controlUses loud, but harmless audible sound to deter barkingIncludes Training Manual & VideoIncludes 6 volt battery module"