SKmoon Dog Whistle to Stop Barking with free Lanydard Strap , Bark Control for Dogs - Ultrasonic Patrol Sound Repellent Repeller - Silver Training Deterrent Whistle - Train Your Dog STOP BARKING - Use it to call your dog or train to stop barking. Change frequencies since different dogs respond to different frequencies TAKE CONTROL - Control your dog whenever he gets out of line and make it listen and obey. Once your dog learns the commands, you will have full control no matter hwere you are. TRAINING WHISTLE - Teach your dog commands and let him learn basic hand movements while whistling different times for each command. FREE LANDARD STRAP - Great tool to have when you are training your dog. Dont have to worry about misplacing or loosing your dog whistle. The landyard detaches if you prefer to use only the whistle PREMIUM LANYARD AND 100% MONEY BACK GUARANTEE INCLUDED - If you aren't completely satisfied with your Pet Dog Whistle, just contact us and return it, and we will refund the FULL amount (we can also replace the whistle if there is an issue, at no cost to you).