♥Size: 13.5X5.5CM(5.31x2.16 Inch).Our barking dog deterrent ultrasonic has no shock, choke, noise & will not affect dogs hearing. With the push of a button, this addresses nuisance barking and other bad behaviors through humane positive reinforcement. The ultrasonic sound can not be heard by humans.
♥The first gear is a flashlight, the second gear is a Training dog, and the third gear is Drive the dog.(Please note:Don't use the third function for your beloved pet）
♥This anti barking device can be used anywhere - jogging or walking, cycling, at the park, in the car, at the beach and so on , it is convenient to carry in your pocket.
♥Simple push-button design makes it easy to use whenever needed for immediate response to unwanted behaviors.Can be used to prevent dog attacks, issue ultrasound to repel the dog or wild wolf.
♥In normal situation, it can be used as a normal flashlight to illuminate at night.
