219 Intelligent Ultrasonic Multi-dimensional Frequency Conversion Home Indoor Mouse Repeller Features: 1. Ultrasonic rat repellent attacks in 360 degrees and emits jammers in all directions, leaving rats nowhere to hide. 2. Four loudspeakers powerfully drive away rats, destroying their hearing and nervous systems, causing them to flee. 3. Use smart chips to repel rats more powerfully 4. Dense sound wave emission holes, bombing interference to mice 5. Uses high-frequency ultrasonic waves, which are harmless to the human body 6. Sensitive smart button design makes operation more convenient 7. Use SPL technology to raise ordinary sound waves to the ultrasonic frequency band within the hearing range of mice, destroying the central auditory nerve of mice and causing them to collapse and flee. Product parameters: 1. Material: ABS material 2. Function: 360-degree repellent, dual-wave frequency conversion, energy-saving and silent, flame-retardant ABS material, 300 square meters of rat repellent area, 4 speakers 3. Rated voltage: 220V 4. Rated frequency: 20kHz-45kHz 5. Power: 6-8W 6. Speaker type: ultrasonic high-frequency speaker, microwave transmitter 7. Power source: USB connection power supply 8. Product size: 150 x 150 x 60mm 9. Product weight: 185g