2 Pack Dog Whistle – Adjustable Ultrasonic Silent Whistles for Bark

• ADJUSTABLE FREQUENCY: The pitch rod can be turned inward or outward to fine-tune the ultrasonic frequency until your dog responds positively, then lock the nut clockwise to hold the pitch in place.
• EFFECTIVE BARK CONTROL & RECALL TRAINING: Emits a silent ultrasonic sound heard by dogs, making it ideal for stopping excessive barking and reinforcing recall commands.
• DURABLE CONSTRUCTION: Built with a stainless steel tube, pitch rod, and lock nut, paired with a protective plastic cover and metal keychain ring for long-lasting use and easy carrying.
• SET OF 2 WITH LANYARDS: Includes two white ultrasonic dog whistles, each with a black nylon lanyard and metal clip, so you always have a backup on hand during training sessions.
• EASY TO USE: Simply remove the anti-loss cover, adjust the screw rod to find the right frequency for your dog, lock the nut to secure the pitch, then reinsert the whistle into the dust cover for use.

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