Aluminium Alloy Ultrasonic Dog Birds Training Whistle Behavior Trainer with Ring

Features: 1.Made of high quality aluminium alloy material, safe, anti rust, sturdy and durable for long time use. 2.Double tube, clear and loud vioce, the sounds can be heard far away in an emergency. 3.With ring, can hang on the keyring, easy to carry and use. 4.Suitable for bird flying training, or pet dog training, increase the interaction with lovely pet. 5.Available for all dogs breeds and birds. Specification: Material: Aluminium Alloy Color: golden Size(length*width): 5.5*0.9cm 2.2*0.4in Package list: 1 * Training whistle