* Ultrasonic speakers,Electromagnetic repelling,Ionic purification; * 3 LED function status lights; * Frequency range (20-75 kHZ); * Pulse Intervals: Ultrasonic wave: 1 sec. ~ 4 sec. on, 0.5 sec. ~ 2 sec. off Magnetic wave: 0.5 sec. ~ 2 sec. on, 1 sec. ~ 4 sec. off * Rated Voltage:110V-230V; * Frequency: 50-60HZ; * Power Consumption: 8W; * It is effective to use one unit for 5000 sq. ft; * Light sensor; * Direct plug-in; * Smart Night light.