Bark Collar, [2018 Upgrade Version] Barkless Dog Collars Upgrade 7 Sensitivity, usb Rechargeable Waterproof Dog Training Collar with Vibration and

Cruelty Free and safe barking system - non-stop barking has 3 modes (beep, vibration, shock) and level 7- sensitivity. adjustable. 1 to 7 level of sensitivity can be adjusted to fit any size. different types of dogs and specific environments, effectively block barking with safe for dogs of all types. •Self-protection mode - Security is the most important thing. The built-in receiver Barkless has an automatic protection mode to turn off the collar activates if the ring keep on for 7 times in 1 minute. A minute later the product will enter the working mode. In automatic protection mode, press any button to re-enter working mode. •Bark Detection Chip - Intelligent vibration detection barking instead of sound detection Chip prevents nuisance barking. Only your dog for his handset with vibration sensors its will trigger the barking while other dogs will not. •Rechargeable and waterproof - Built-in USB rechargeable battery; and can be filled for an hour, full of electricity. can be used