4Pcs Dog Whistle Adjustable Training Ultrasonic Puppy Whistle with Lanyard To Stop Barking Bark Deterrent Whistle Control Dog

Features:
[Professional Dog Training Whistle] You can use different flute methods to specify commands such as “don’t move”, “sit” and “come”. Please keep the whistling commands consistent and reward your dog with timely treats when he does it right to reinforce and solidify his positive behavior!
[Adjustable Frequency] Different dogs respond differently to different frequencies. Our dog whistle has a nut and screw that you can turn to adjust the frequency. Pay attention to how your dog reacts to each setting until your dog shows the most pronounced response
[Safe] The body of the dog whistle is made of copper and coated with a protective li to prevent dirt, damage and accidental loss. Comes with a black lanyard, very easy to use around the neck and portable
[How to Use] When you blow this whistle, your dog hears the signal and they will start to show obedient behavior. Please note that this dog training whistle will not make your dog understand your commands immediately, and will require several training sessions. More suitable for dogs 3 to 7 months of age
Specification:
Product name: Dog Whistle
Product material: copper + nylon lanyard
Product size: whistle 8 x 0.7cm; lanyard 49cm (including hook)
Color: black
Package Including:
4 x Whistles
4 x Lanyards