The device combines ultrasonic and electromagnetic to get rid of pests. 1. Ultrasonic: variable ultrasonic frequency from 30-50kHz, effective in controlling mice, rats, fleas and other common pests. 2. Electromagnetic transmitted along the wire then spread to the whole room to repel pests. 3. Ionic purified air, Improving sleeping, bring you a healthy life. 4. Night light make your home more beautiful and comfortable. 5. Working range: 200 square meters. 6. Voltage: 100-120V or 220-240V
