Ultrasonic Rat & Rodent Repellent System is a device that emits high-frequency sound called Russell Viper Snake’s ultrasonic waves have a frequency above 20 kHz, which is the upper limit of the hearing range of the human ear. These powerful Russell Viper sound waves hit the eardrums of rats. As the rats do not have the ability to close their ears, they have to listen to the sound waves, causing pain, fear, and anxiety and enabling them to leave the place. This powerful machine emits Russell Viper snakes frequency so rats fear and leave that place. This system is used in houses, restaurants, hotels, supermarkets, schools, hospitals, bakeries, warehouses, butcheries, food and beverage industries, waterparks, feed-producing mills, poultry farms, public institutions, agriculture store houses, and flour mills. Malt factories, sugar industries, art galleries, rubbed industries, ships, docks, power plants, cable rooms, and camera rooms.