2-Piece Pet Training Set: This convenient set includes everything you need for a complete and rewarding training experience, including: 1 recall whistle, 1 clicker for dog training. Safety First: This dog whistle that stops barking and biting uses high-frequency ultrasonic technology to adapt to needs of your dog, 100% safe and harmless to pets and humans. Clear Signals: With this whistle your dog will receive clear signals and commands. Even loud background noises (e.g. highways, construction sites) can be drowned out by whistles. Clear communication between you and your dog becomes easier. Homophonic: This whistle is frequency normalized, meaning whoever uses it will hear the same sound. Also independent of your emotional state. Effective Pet Training: The device provides puppy training aids including sit, fetch, lie down, roll over, wiggle legs, etc. Bad behavior, excessive barking or excessive excitement.
