7 SENSITIVITY LEVELS FOR 10lbs to 150 lbs : 7 Sensitivity level for flexibility while training your dog. Belt can be adjusted for all sizes – small, medium and large dogs. Belt length is up to 70 cms. It is activated when your dog is barking and not when other dogs are barking. 'barking collar for dogs' LOVE YOUR DOG : You have the option to choose from 3 Training modes without harming your dog : SOUND, VIBRATE & SHOCK – NO SHOCK. 'bark collar small dog' RECHARGABLE & RAINPROOF : Easy & simple to recharge that can last about 14 days. Designed for outdoor activities and rainproof for your dog to play and enjoy so you are worry free. 'bark collar large dog' FREE GIFT : Enjoy our free gift for your Dog RED LED Pendant with replaceable batteries 'dog bark collar' 100% SATISFACTION & MONEY BACK GUARANTEED : Please read and follow the instructions before putting the no bark collar on your dog. If our no bark collar does not meet your expectations, please feel free to reach out to us for replacement. Your satisfaction is our goal. 'no bark collar'