【Dog Behavior Training Aids】Providing dog barking control and stop actions like digging, fighting, chewing furniture, eating unsafe foods etc. safe and efficient to correct unwanted behaviors. 【Dog Training & Deterrent Mode】Provides 2 levels of ultrasound (normal and enhanced) and 2 light modes (flashlight and strobe light) for dog training, barking control, behavior correction or to help you stop an approaching dog. When you press the button, the device will vibrate, which brings you a better using experience. 【30FT Effective Control Range】Compared to Unlike other ultrasonic dog bark control devices, ours is equipped with 2 ultrasonic emission ports, and provides 2 intensity modes, which makes the control range up to 30 feet, and more precise and effective. 【Light Function】Could used as a LED flashlight, the device equipped with 2 light sources, emit bright lights for walking your pup in night. When you press the Max (ultrasonic) button, it emits a strobe light and a powerful