CMFLOWER Bark Collar 2018 Rechargeable Ultrasonic Vibration Auto Anti Dog Barking Training Collar Ultrasound/ vibration/ shock mode & humane 0-7 adjustable levels - 2018 new Ultrasonic dog Bark Collar will not Disturb you when stop your dog from barking, while anti barking collar with beep function is more noisy than dogs barking. Ultrasonic, vibration and shock mode with 0-7 adjustable levels allow you to use Three modes all together or respectively and adjust the levels according to the size, thickness of fur and the behavior of your dog. Stop barking with no HARM TO dogs 7 adjustable sensitivity & automatic protection mode - 1-7 adjustable sensitivity anti barking collar, choose a suitable sensitive level for your dog to ensure the Bark Collar wont be triggered too many times, safety training your dogs. With auto protection mode, when the Anti-Bark collar is triggered seven times in one minute, protection mode will automatically start and the screen will display E which mean the anti Bark Collar enters to sleep. It will come back to work After one minute Intelligent recognition sound system & Px67 waterproof - unlike sound detection Bark Collar which is easy to false triggered by other dogs, CMFLOWER Anti barking collar sense the vibrations from your pets vocal cords as it starts barking and make correction, no more false trigger. IP67 waterproof, do not need to worry the rainy day will ruined the anti Bark Collar, but not suit for swimming Longer neck straps & fit for all dogs& rechargeable - 28.9 inch adjustable strap, longer than other brand, fit for small, Medium and Large dogs, The adjustable and tear resistant nylon tape features a low-visibility reflective line for safety. Built in battery, with USB cable, full charged within 2-3 hours and support 15 - 30 days Use, Super convenience Dog ID TAG & effective stop barking & one year warranty & - come with free ID tag in case your dog lost. CMFLOWER Dog Bark Collar are made with a dog's comfort and safety FIRST and foremost in mind, choose the suitable sensitive mode and level for your dog, can effectively stop barking with no HARM TO dogs. CMFLOWER provide one year warranty If there are any problem, Please contact us