Our K9 Training Made Easy - Range of Vibration and Shock Bark Collars for Small to Large Dogs &#x1f436; ALLOWS NORMAL DOG BEHAVIOUR  All Our K9 Anti-Bark Collars allow your dog to bark but NOT excessively. The first 2 Barks a Sound warning is issued. The 3rd Bark Correction is issued. &#x1f436; SAFE FOR PETS  This collar uses a light static shock to train your dog to respond to training cues. Its safe on their skin and coat and wont cause pain if used correctly. We do recommend trimming the fur behind the collar to get the best performance from your bark collar &#x1f436; ALL Our K9 No Bark Collars come with Comprehensive Users Manuals + Instructional and Training Videos are available online. All Our K9 Bark Collars are simple to use. &#x1f436; CHOOSE THE CORRECT BARK COLLAR  Our K9 has 24 different Anti Bark Collars and Training Collars ranging from Toy (3 lbs.) to Large (180 lbs. +) to ensure they fit and are correctly suitable for your particular dog needs. &#x1f436; TWO YEAR WARRANTY - Comes with a 2-year unlimited warranty and a 30-day risk free guarantee. All Our K9 Bark Collars come with a low battery alarm. No More Angry Neighbors Rechargeable Battery Pain-Free &amp; Water Resistant Includes Complete Training Manual &amp; Tutorial Video 7 Unique Training &amp; Correction Levels Safety, Shut-Down Procedure Soft, Silicone Rubber Prongs &amp; LED Screen Adjustable Collar to Fit Perfectly &amp; Non-Slip Collar Design Suitable for Most Breeds of Dogs (4 to 40 lbs) Choose from Sound + Ultrasonic + Vibration + Shock (Adjustable) On the 1st Bark: Your dog with hear a beep warning sound for 1.5 seconds. On the 2nd Bark (within 40 seconds from the 1st bark): Your dog will hear another beep warning sound for 2.5 seconds. On the 3rd Bark (within 40 seconds from the 2nd bark): Your dog will hear the beep warning sound for 4 seconds, as well as receive vibration for 0.5 second. On the 4th Bark (within 40 seconds from the 3rd bark): Your dog will hear the beep warning sound for 4 seconds, as well as receive vibration for 1 second. On the 5th Bark (within 40 seconds from the 4th bark): Your dog will hear the beep warning sound for 4 seconds, as well as receive vibration for 1.5 seconds. On the 6th Bark (within 40 seconds from the 5th bark): Your dog will hear the beep warning sound for 4 seconds, as well as receive vibration for 2 seconds. On the 7th Bark (within 40 seconds from the 6th bark): Your dog will hear the beep warning sound for 4 seconds, as well as receive vibration for 4 seconds. If your dog keeps barking, our bark collar will be in reset mode for one minute to give your dog a chance to calm down. If your dog triggers the reset mode three times consecutively, then &#039;Our K9 Safety Protocol&#034; will be activated and immediately shut down the collar to prevent causing any unnecessary stress to your dog.