Features:-The mouse repellent adopts ultrasonic technology.Just plug the repellent into the socket and it will start working. The frequencies of various radio waves are constantly changing intermittently, so that pests such as mice will not develop "adaptability" and "immunity" to a certain fixed frequency. -With 12 bright and high-intensity LED strobe lights that target rodents from all directions and can also be turned on or off according to time and location.-Designed with multiple mouse repellent modes, you can choose ULTRA mode, TRANS mode or DUO mode.-Can be used indoors within 300 square feet, no need to worry that your room is too big to cover, and is widely used in homes, warehouses, offices, gardens, hotels, etc.-It effecti.