Keychain with Ultrasonic Mosquito Repellent & Red LED LightScientists discovered that most mosquitos that bite humans are the pregnant female mosquitos. Pregnant female mosquitos stay away from male Mosquitos. The mosquito repeller has advanced circuitry to emit ultrasonic high frequency, identical to male Mosquitos to repel the female mosquito. This repeller has 2 different frequency levels. Ultrasonic wave chases mosquitos away. No smell and causes no harm to humans or pets. | |
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