HARMLESS AND HUMANE ( No Pain No harm ) – The DigyDog No Bark collar Warning Sound & Vibration Collar effectively reduces your dog’s barking safely without causing him any pain or distress , like shock collar cause. Using a progressive high frequency ultrasonic sound and vibration painless stimulus non shocking with 6 level sensitivity adjustment and sleep mode it helps to prevent and control your dog’s barking and train your dog in painless way with No Shock to stop bark . STYLISH AND HIGH QUALITY DESIGN – The sensor and vibrating slim unit is made from a solid piece of durable plastic and the collar has an adjustable strap (10-22 inch) made from comfortable Nylon. It has a new beautiful design of paw on it which will make your dog look even cuter ! You will get 2 colors free to use blue and orange and you will get a cool Gift from us – led tag for your dog’s collar . SUITABLE FOR ALL DOG SIZES – The DigyDog best Vibration Collar works effectively on small and medium to large dogs and XLarge . We recommend using the collar on little dogs over 5 lbs to big dogs . This anti-bark collar is perfect to use for all breeds from pugs and terriers to Labradors 5 pound to 150 pounds . BATTERY OPERATED –This electronic vibration collar devices uses a common classic 6V 4LR44 alkaline one mini battery (also known as PX28A, A544, K28A, V34PX) extra battery included for free . FAST TRAINING – Our Electric automatic smart collar is designed to quickly and efficiently change your dog’s barking behavior. The combination of warning beep and vibration teach your dog in a short time to stop bark to avoid the annoying beep and the sense of vibration which it feels when barking .