The Acme 2105 Dog Whistle Is A Great All-Rounder, Producing A High Pitch That Is Quiet To The User Preferred By Spaniel Owners But An Excellent All-Round Dog Whistle For Close And Distance Control Single Frequency This Whistle Is Recommended For Both Use In Town And The Countryside Available In A Wide Variety Of Colours - The Acme 2105 Dog Whistle Is A Great All-Rounder, Producing A High Pitch That Is Quiet To The User - Preferred By Spaniel Owners But An Excellent All-Round Dog Whistle For Close And Distance Control - Single Frequency This Whistle Is Recommended For Both Use In Town And The Countryside - Genuine Acme Whistle - Made By J Hudson & Co, Whistle Specialists With Over 150 Years Of Experience - Made In The Uk Storage Instructions: Ensure Whistle Is Clean And Dry Before Storage Store Out Of Direct Sunlight Care Instructions: Always Ensure Whistle Is Clean And Free From Dirt Clean With Warm Water Mixed With A Small Amount Of Disinfectant Dry Thoroughly With A Clean Lint Free Cloth