3 Pieces Black Pet Training Set - Dog Training Clickers and Ultrasonic Dog Whistle with Lanyard Package Includes: 1 × ultrasonic dog whistle 1 × lanyard 1 × training clicker The soundboard has an elastic spiral telephone line and the other end is a keychain. You can hang it on your pants and bags to avoid losing it, similarly, lanyards can also prevent whistle from being lost, when training dogs, it is more convenient for you to free your hands to interact with the dog. The whistle can be adjusted to produce a variety of different frequencies of sound, corresponding to different passwords, and this product is suitable for dogs of any age and breed. Effective Pet Training Dog clicker with Big button for easy clicking and loud sound, help train dog basic obedience and tricks, while correcting bad behavior. Teach things like sit, fetch, shake, lie down, and roll over. Keep Control Whenever your pet gets too excited, this set is designed to help you to maintain control without the need for the use of any shock techniques. This helps you control barking without hurting your friend. Adjust To Your Dog's Hearing One size doesn't always fit all, our dog Whistle can be adjusted to your pet's hearing capabilities easily, with adjustable ultrasonic frequency. Easy To Use You will be a pet training master in no time using this training tool, This is a great system to teach your pet amazing communication skills. Instructions Loosen the sonic adjustment screw. While blowing the air in from the air inlet, turn the adjustment lever to the pitch, and after the adjustment lever is turned, tighten the sound wave adjustment screw.Instructions - Loosen the sonic adjustment screw. While blowing the air in from the air inlet, turn the adjustment lever to the pitch, and after the adjustment lever is turned, tighten the sound wave adjustment screw. Easy To Use - The soundboard has an elastic spiral telephone line and the other end is a keychain to avoid losing, and lanyard can also prevent whistle from being lost, it is convenient to free your hands to interact with the dog when training. Fully Adjustable Frequency - The whistle can be adjusted to produce a variety of different frequencies of sound, corresponding to different passwords, and this product is suitable for dogs of any age and breed. Effective Pet Training - Dog clicker with big button for easy clicking and loud sound, help train dog basic obedience and tricks, while correcting bad behavior. Teach things like sit, fetch, shake, lie down, and roll over. Package Includes - an ultrasonic dog whistle, a lanyard and a training clickers, a valuable set for dog training. This is a great system designed to teach your pet amazing communication skills.