⭐This Dog Training Whistle is designed for dog training, the frequency produced isn't of effect on a person.
⭐Train your dog using ultrasonic frequencies tuned to their hearing
Whistle is adjustable to find the perfect frequency for your dog
Matching Lanyard allows you to wear the whistle so it is always to hand!
⭐A plastic sleeve protects the adjustment area
⭐Great for recall over long distances
⭐Key ring loop included
⭐Specifications:Original box: NO
⭐Material: Metal & Plastic
⭐Length: 90mm
⭐Net weight: 17g per one
⭐Package weight: 26g per one
⭐Color: Black&Silver
⭐Package Contents:100% New,1 x 90mm Dog Training Whistle