Training Adjustable Frequencies Ultrasonic Stainless Review

【Training method】Blow consistent blasts and use the rewarding-positive-behavior approach to make your dog a listening and obedient friend. When the dog is 3 to 7 months old the training effect is the best. 【Adjustable Frequencies】With adjustable frequency, our dog whistle allows you to train your dog to stop barking , sit, come, lay down,stay and so on through ultrasonic of the whistle. Our dog training whistle has a nut and screw that would adjust the frequency when turned. Notice your dog's reaction to each setting until your dog exhibits the strongest reaction. 【High Quality】Our dog whistle is made of high quality metal and hard plastic. Double anti-lost design of special lock nut & cover design and free lanyard allows you to prevent dirt, damage, and accidental loss. Besides,this bark control whistle is long lasting and rust proof. 【Safe & Efficient】The ultrasonic dog whistle WILL NOT hurt your dogs' hearing. You can use this silent bark control whistle for dogs training without any health concerns. Your pet can hear the dog whistle up to 25 meters away even if they can't see you! Train your dog with different commands and get them to follow your instructions. 【NOTE】Please note that this ultrasonic dog whistle won't make your dog understand your instructions immediately. Training your dog with commands requires many patient exercises, such as whistling before receiving food during meals, and using rewards to cooperate so that your dog follows your commands.