Features:

Easy to use:
As for the dog training whistles, just loosen the sound adjustment screw, while blowing the air in from the air inlet, turn the adjustment lever to adjust to the appropriate pitch. After the adjustment lever is turned, tighten the sound adjustment screw. Notice your dog's reaction to each setting until your dog exhibits the strongest reaction, very easy and convenient to use.

Using tips:
No matter you are using training clickers or the dog training bell, it is recommended to give a reward or food for your pets, which will make it easy to train your pets and help your pets to develop a good habit.

Funny dog squeak ball:
Made of TPR plastic material, ther is a small lighting device inside the ball toy when you or dog smash the ball and it will work.The squeak lighting ball can catch your pet's attention easily, so you can train and play with your pet with the squeak ball efficiently.

Specifications:
Material (main): metal, plastic
Color (main): black, blue
Size: as shown in the pictures

Package contents:
2 x Training whistles
2 x Lanyards
2 x Training clickers
1 x Training bell
1 x Training squeaky ball

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

8 Pieces Dog Training Set Include Adjustable Sound Dog Training Whistle with Lanyard Training Clicker Dog Training Bell and Dog Squeak Lighting Ball for Dog Recall Behavioral Silent Training