Color: As the picture show
The dog whistle is designed in a moderately small size and comes in premium metal. Long lasting and rust resistant.
Ultrasonic dog whistle has more frequencies and a finer frequency range. Easily teach your dog unlimited commands such as stopping barking, sitting, and staying.
When not in use, it can be folded completely into your pocket, purse, or backpack. Challenging action allows you to listen to your dog and become a friendly friend.
Material is copper and plastic
Size: Length approx. 3.1 inches (8 cm), Diameter approx. 0.3 inches (0.9 cm), error approx. 0.2 inches