★ UPGRADED 2018 SENSITIVITY CHIP-Final solution for the barking of other dogs. We have upgraded microprocessor controlled to be more humane and less sensitive. . Finally you can control the barking of your dog with a human method. ★ NO MORE SHOCK -Your dog is the most important thing, with 7 safe vibration and sound levels, no harm dog training collar. If the continuous stimulus reaches the 7 levels then the bark collars will stop working for 1 minutes. 100% Water Resistant device. ★ ADJUSTABLE STOP BARK COLLAR -We have improved the strap. Much more resistant and with reflective bands this new strap fits perfectly to dogs from 11 to 120 lb.For very small dogs you can cut the strap to adapt it. ★WE IMPORT THE SATISFACTION OF CUSTOMERS-We added 2 colored covers,two batteries and a beautiful led light tag. We just want you and your dog to be happy with the purchase of the StopWoof device ★ SATISFACTION GUARANTEE 100% ! - We are confident in the quality of our product. If you don’t get the quality you expect, a full refund will be given to you.Buy it with confidence!