Brand NEW DogRook Rechargeable Dog Bark Collar - Humane, No Shock Barking Collar - w/2 Vibration Beep - S, M, L Dogs Breeds Training - No Remote - 11-110 lbs Black Humane bark collar with 2 modes - in 96% cases help decrease (eliminate) dog's barking by automatic performance with 5 safe stages of sound (beeps) and vibration. Beeps and vibrations are switching automatically based on the amount of dog's barking, increasing after each bark. Rechargeable version - no bark collar works about 14 days with 1 battery life. Get a full charge in 2-3 hours. Action without remote - The collar works in automatic mode, in which sounds and vibrations are combined to effectively and safely stop the barking. At the first bark, there will be only a sound signal, at the subsequent barks vibrations are added to a sound signal. Useful when you are not at home and your dog stays alone. Adjustable for S, M, L dogs - no shock bark collar is adjustable for dogs weighing 11 to 110 lbs with neck size of 9 to 22 inches. Adjust the strap according to the size of your dog. Extra parts - In addition to the automatic stop barking collar included is: 1 USB cable, and additional prongs. See pictures for more item details. Trusted Seller - Fast Ship!