ACME Double tone whistle with Trill 640 9cm + Lanyard is a double tone whistle, which combines a one-tone whistle and a trill-whistle. So you keep both whistles handy. It is about 9 cm long. Ideal for dogs with longer ear channels like for example Labrador, Doberman, etc..
Frequency: 3150-3500 Hz (variable pea) + 4000 Hz whistle
Colours: orange, black, purple
exklusive neon green For further sales of our exclusive dog whistles to other sellers and not to end
customers, you must first have our written permission.