Anti Barking Device with 3-in-1 Bark Control Tool & Ultrasonic Design, Humane and Safe Handheld Anti Barking Device, Insect Repellent Indoor and Outdo

Description Ultrasonic Dog Repeller: Produces very powerful ultrasonic sound. When the dog hears the ultrasonic sound, it will become uncomfortable and away from people. People can't hear it. Dog Training Equipment: It can effectively stimulate the dog's nervous system, so it can be guided by the owner, there are infrared lights, you can let the dog follow, you can train your pet by your personal hobbies. Size: 13.5 x 5.5 cm Portable: Comes with a lanyard, convenient to carry anywhere you need, such as jogging or walking, cycling, park and so on. Easy to Use: Open the battery cover first, then put in 1 x 9V battery (not included), turn on the switch and it can work well, they can also be used as a flashlight if necessary.