New, Unused This is a stainless steel ultrasonic pet whistle. It's a convenient item for dog training and behavior modification. Easy to carry, it's also recommended for outdoor activities and walks. ✨ Features • Durable stainless steel construction • Ultrasonic type, with a frequency range that is difficult for humans to hear • Ideal for pet training, preventing excessive barking, and behavior modification • Compact and convenient to carry Size: Small size, easy to carry Condition: New, Unused Recommended for those who want to smoothly train and modify their beloved dogs' behavior ♪♪ Thank you for viewing.