Features:
The ultrasonic sound whistle can make a sound which dogs can heard at far distance so they can find way home, anti lost.
Those sound can't be heard by human. By making some traing rules, you can train your dog to obey your orders and develop good living habits.

Specification:
Size: 5cmx0.8cm(LxW)
Material: Nickel-plated copper
Color: Silver

Use Method:
1. Please always keep the air outlet dry.
2. After use, wipe off the spittle and moisture with a dry cloth.
3. Avoid storing in wet places.
4. After receiving the package, please adjust the sound frequency first to adapt your habit.
5. Please develop some orders through the whistle which you would like to train your pet dog in daily life.

Note:

Please allow 1cm differs due to manual measurement.
Due to the different display and different light, the picture maybe a little different with the actual color of the item. Thanks for your understanding.

1pcs pet dog traing whistle