90mm Pet Dog Training Adjustable Whistle Pitch UltraSonic Sound Black

90mm Pet Dog Training Adjustable Whistle Pitch UltraSonic Sound BlackFeatures:Designed for dog training, the frequency produced isnt of effect on person, but very useful for dogs, it will sit up, come here, eat, sit down etcA plastic sleeve protects the adjustment areaGreat for recall over long distancesKey ring loop includedSpecification:Material: MetalPlasticLength: 90mm(3.54)Weight: 14gPackage Included:1 X Dog Training WhistleNote:1.Duetothelightandscreendifference,theitemscolormaybeslightlydifferentfromthepictures.Pleaseunderstand.Makesureyoudontmindbeforeyoubid.2.Pleaseallow1-5mmdifferencesduetomanualmeasurement.