Verney-Carron ProHunt Ultrasonic (Silent) Dog Whistle
- Silent dog whistle, almost inaudible to humans but loud to dogs.
- Special air directors ensure control the frequency produced and ensure that the sound travels up to 1.5km.
- Adjustable through a wide range of frequencies via a simple screw piston mechanism, so it can be altered to suit your own dog or different breeds.
- Comes with keyring for easy access and convenience.
