?Would you like to train your dog to be smarter? A dog training whistle can be an effective tool for teaching your dog to follow your commands£¬ such as calling him to you£¬ sitting or going in a new direction. Here we provide you with dog training whistle. The whistle can produce ultra-sonic sound that is easier for dog to hear. It takes a little bit of time£¬ patience and practice£¬ but your dog will learn to obey you through various whistle commands.                                    Features            It is a safe and highly efficient product for pet educationSuper light weight gadget is very comfortable for dogs Adjustable pitchKey ring loop included Adjustable pitch£¬ simply tighten or loosen the screw to work out your dogs frequencyIt should be noted that this whistle is audible to the human ear£¬ essential for gauging its efficiency. Instructions included with each WhistleNew in the Package                                                            Specifications            Finish / Material    Copper / chrome plated finish    <br>Color    Silver    <br>Length    2 1/8 inch    <br>                                                            Package Includes            1 x Dog Training Whistle Ultrasonic Sound Ultra Sonic                                                            Extra Info            Note: The dog whistle sound includes 2 parts. <br>Part 1: the Ultrasonic. Human¡äs ear can not hear it£¬ but dog can hear it. <br>Part 2: These light sound can be heard by human£¬ which help owner sound a long or short whistle to train them. Adjustable pitch£¬ simply tighten or loosen the screw to work out your dogs frequency It should be noted that this whistle is audible to the human ear£¬ essential for gauging its efficiency.Some tips to use the dog whistle: <br>1¡¢Adjust the pitch &amp; blow the whistle to your dog. Even dogs can¡ät hear all frequencies. Wait until he is asleep and gently blow on the whistle. Your whistle has a nut and screw that adjust the frequency when turned. Continue testing until your dog perks up. You will then know you have reached a frequency he can hear. <br>2¡¢Use the dog whistle with varying sequences to train your dog. For example£¬ one long burst can mean "come"£¬ while a series of short£¬ staccato bursts might mean "sit". <br>3¡¢Keep your whistle commands consistent and your dog will always know what you expect of him. The dog¡äs behavior according to your instruction need to be trained. Such as£¬ at meal time£¬ blow on the whistle before they get the food. It will only take a few times of doing this and your dog will react quickly <br>