| When your dog barks, this sonic unit emits a harmless, high-pitched pulse inaudible to humans, but extremely irritating to dogs. He soon learns to stop this unwanted behavior. Portable and water-resistant, it has two sensitivity levels and is effective from up to 20 ft. away. Use it indoors or outdoors, on its stand or wall-mounted (hardware included). Uses one 9V battery (not included). High-impact plastic. 5" long. |
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