kinds of frequency, ultrasonic and electromagnetic waves simulate and interfere with mouse auditory and nervous system, make mice uneasy and uncomfortable, ensure pest can’t develop immunity and adaptability. Effectively repel pests like mice, mice, ants, mosquitoes, spiders, cockroaches, etc. 【Plug and Play】It is easy to use, just plug the ultrasonic pest repeller into the regular power outlet, then the LED light is on. The repeated loops disrupt the pest’s auditory nerve to effectively eliminate these rodents. To get the best result, please do not put any coating on the surface of this indoor mouse repellent. 【Safety and Environmentally Friendly】Our mosquito repellent is odorless, quiet and radiation-free. Its sound can shake to drive away pests and rats. With high quality ABS material, the ultrasonic rat repeller can last longer with better effect. Pest Rejection is widely used in homes, warehouses, offices, gardens, hotels, underprivileges. floors. 【Wide Effective Coverage