Features:

Effective dog training:
Your pet can hear the dog whistle up to 25 meters away even if they can't see you. Train your dog with different words and get them to follow your instructions, such as sit, paw, lay down, up and so on, suitable for other animals, including cats, dog, birds, etc., nice tools to train, teach, and control them, and helpful in distracting irritating or dangerous dogs

Using tips:
Prepare some treats, your dog to somewhere quiet. Adjust the pitch and blow the whistle to train your dog, continue testing until your dog responds. Notice your dog's reaction to each setting until your dog exhibits the strongest reaction. It is suitable for you to train 5-6 times per session, and reward your dog with a treat if it responds positively.

Specifications:
Material: plastic
Size: 3.15 inch x 0.51 inch
Color: as shown

Package includes:
5 x Dog whistle
5 x Lanyards

Notes:
Due to the different monitor and light effect, the actual color may be a little different from the picture's.
Since the size above is measured by hand, the size of the actual item you received could be slight different from the size above.