ACME Silent Whistle 535 + lanyard free

Silent whistle from the leading British manufacturer of whistles

ACME Silent whistle 535 has ultrasound whistle which dog is able to hear for long distance but man cannot hear it neither for short distance. The frequency can be set from 5400 to 12800 Hz easily by rotation.

Material: chrome-plated metal
Length: 8,5 cm

Silent whistle from the leading British manufacturer of whistles

ACME Silent whistle 535 has ultrasound whistle which dog is able to hear for long distance but man cannot hear it neither for short distance. The frequency can be set from 5400 to 12800 Hz easily by rotation.

Material: chrome-plated metal
Length: 8,5 cm