What can you do when your pet dog starts barking non-stop? With the ultrasonic dog trainer, you can train your pet to be obedient, corrects misbehavior and stops barking. The trainer is based on the theory that ultrasound (more than 20KHZ) is above the upper limit of human hearing and super ultrasonic and 2800mcd strong white light. It can activate visual and additive activation to dogs, cats and other animals, but there will be no effects on people.
Easy to operate: first open the battery cover and then put 1 piece 9V battery (Not Included), the sound is audible only to pets, finally turn on the switch and it can work well, also they can serve as a flashlight when necessary.
Handheld and convenient: size of the device is approx 5x1.8x1 inch (LWH), which is portable and handheld, also convenient for you to carry anywhere you need, such as jogging or walking, cycling, park and so on.