The product equipped with advanced ultrasonic sound technology enhances the effect of chasing dogs for longer distances, so you don’t have to worry about you and your pets being attacked by a dog . Features: 【Wide Application】This dog repellent will help you get away from the dog when you meet a dog trying to attack your dog. Moreover, the product is equipped with advanced ultrasonic sound technology, which can be heard by dogs, so it can be used as a dog training device to help you train your dog. Moreover, this product also has the lighting function with high brightness flashlight. 【3-Mode Flashlight】The product has a powerful flashlight, which can achieve three modes of constant light, strobe light and SOS, which is convenient for you when walking your dog outside at night. In addition, the flashlight has an intelligent light sensor, which can automatically adjust its brightness according to the environment. 【Non-slip seeds and portable】The back of the dog repellent is designed