- Teach your pup basic obedience skills and advanced movements as you whistle different commands.
- Also helps to eliminate unwanted anti-social behavior including excessive barking.
- Adjustable tone allows you to identify and lock-in the precise ultra-sonic frequency to which your dog best responds.
- Dual anti-loss feature includes an innovative special locking nut and snap-on cover with a free neck lanyard.
- Manage and control your pal without the need for expensive， potentially painful correction devices.
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