Recommended Dog Whistle From Price €8.50 It can be used on both sides to achieve a higher or lower pitch. Made of top quality material.
Adjustable ultrasonic whistle. From 7 to 8 cm Arcea Price €7.50 The adjustable ultrasonic whistle. From 7 to 8 cm Arcea has a constant and adjustable tone. Features: Made of metal / plastic. With frequency protector, guarantees a uniform tone frequency. Adjustable frequency pitch. Too quiet.