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
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