Silbatos metálicos ultrasónicos para el adiestramiento de perros pequeños y grandes mediante comandos de comportamiento (envío directo)

Description: brand new and high quality Features: Silent dog whistle with adjustable frequency to suit your dogs hearing Almost inaudible to humans. Great training aid, the whistle can be heard by dogs up to 400 yards. To adjust the frequency screw the bottom of the whistle away from the top and then lock the position in place with a small screw driver. Specification: Type: Dog Whistle Material: Copper Applications: Pet Training and Behaviour Recall Features: Dog Whistle, Ultrasonic, Tools， Recall Aid, Adjustable, Training, Pet Supplies Dimension: app.10+23cm/3.94+9.06in Color: Silver Quantity: 1 Pc Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 Pc x Dog Whistle