You consider your dog as a friend? You love this furry friend and would never hurt it? Your dog's barking every night makes you not sleep well? You want to help your dog stop this bad habit? With these reasons, you need the Humane Dog Bark Control Collar. LOVATIC Dog Bark Collar - No Shock Vibration & Sound Humane Training Device for Small Medium and Large Dogs - 7 Levels Sensitivity Adjustment - Best No Bark Control Collar is an excellent solution that helps you eliminate excessive barking, keep the peacefulness in your neighborhood and be 100% safe for your dogs. The LOVATIC battery-operated collars use both sound and vibration to determine when the dog is barking. It is Humane & Safe for dogs of all sizes. How to Use LOVATIC Dog Bark Collar: 1. Adjust the sensitivity level of the bark with the help of the easy buttons "+" and "- " 2. A warning sound will follow your dog's first and second bark. 3. If your dog barks a third time, wireless no shock collar will meet the warning sound and vibration. 4. The intensity of the vibration will be maintained until the 7th bark. 5. Turn on sleep mode, dog training collar will stop working for 1 minutes.