22-65KHZ Ultrasonic Insect Rodent Repeller, Powerful 4 Pack Frequency Changing Pest Repeller for Multipurpose Occasions Anti Rats, Mice, Ants,

�Variable Frequency�The latest designed 5W powerful repeller, capable of emitting 22-65khz ultrasonic waves, in addition to our repeller is equipped with real-time visual display of ultrasonic frequency, in order to prevent parasites to be used with a fixed frequency, the microcomputer automatically changes the frequency intermittently. Making the product both efficient and intuitive for you �Scary Lights�According to experiments, mice are inherently very resistant to light and like dark and humid environments. Thus our mouse repellent flickers through the lights to scare away the mouse and (lightness adjustable in 3 levels). This is different from the mouse repellent on the market. What makes our products more effective �Large Coverage Area�Each electronic ultrasonic pest repeller is effective for a large area. Which is much more powerful than other cheaper repellents. Please note that ultrasonic waves cannot pass through walls. Although our insect repellent works well, if you