QVNNVQ Dog Bark Deterrent Devices, Ultrasonic Anti Barking Device for Dogs, Stopping Own or Neighbor's Dog Barking,Portable Dog Training Device, Safe & Effective for Indoor & Outdoor Use, OrangeBrand: QVNNVQ Color: orange Features: Turn 1 tool into 3 This ultrasonic dog bark deterrent device works as a bark collar alternative, a dog whistle, and a handy dog training device. With just a single press, you can stop unwanted behaviors like barking, digging, or chewingwithout resorting to collars that rely on harsh contact or cause stress. Even better, it may help ease the noise from your neighbors dog, turning endless barking into much needed