Features: *Dual acoustic wave automatic frequency conversion toirritate auditory nerves, destroy sense of smell and ruin central nervous systemsof pests and rodents. *The wave frequency keeps changing automatically andtroubles pests a lot to generate inertia or adaptability. It works for a longtime and keeps you away from the torment coming from pests. *No need in manually trying to get rid of pesky insectsand rodents, just let our product do the labor for you! *To achieve a better effect, it would be better to placeone device each room. *Red light mode: produce high-frequency rodent repellent mode, AI switch ultrasonic frequency, at the same time produce high and low acoustic frequency, Continuously interfering with the mouse, causing it to feel uncomfortable and leave (the best rodent repellent mode,Recommended for use in unmanned occasion) *Blue light mode: generate light frequency mode,AI switch ultrasonic frequency, at the same time produce high and low acoustic frequency, continue to cause interference so that mosquitoes produce discomfort and leave (mosquito repellent mode, can be used in the presence of people) Specification: *Frequency: 50~60KHZ *Voltage: AC 85V~275V *Power: 3W *Material:ABS Packaging includes： 1* Ultrasonic insect repellent