Describe This product is equipped with advanced ultrasonic technology, which improves the effect of long-distance dog tracking, so you don't have to worry about you and your pet being attacked by dogs. Feature: [Wide application]When you encounter a dog trying to attack your dog, this dog repeller will help you stay away from the dog. In addition, this product is equipped with advanced ultrasonic technology that dogs can hear, so it can be used as a dog trainer to help you train your dog. In addition, the product also has a high-brightness flashlight lighting function. [3-mode flashlight] This product has a powerful flashlight, which can realize three modes of constant light, strobe and SOS, which is convenient for you to go out to walk your dog at night. In addition, the flashlight has an intelligent light sensor that automatically adjusts the brightness according to the environment. [Anti-slip seeds, portable] The back of the dog repeller is designed with an anti-slip groove, which