The latest frequency conversion: the designed powerful 5W mosquito repellent can emit 22 to 65kHz ultrasonic wave. In addition, our insect repellent is also equipped with&# 39; Real time visual ultrasonic frequency display to prevent parasitic D&# 39; Using fixed frequency, the microcomputer automatically changes the frequency intermittently. Make the product effective and intuitive for you: According to the experiment, mice are naturally light resistant and like dark and humid environments. Therefore, our rodent repellent flashes lights to frighten mice and (3 levels of adjustable brightness). This is different from rodent repellents on the market. Make our products cover a large area more effectively: each ultrasonic electronic driver is suitable for large area use. C’; It is more effective than other cheap mosquito repellents. Please note that ultrasonic waves cannot pass through walls. Although our mosquito repellent is very effective, if you have serious infection, we suggest you