*The ultrasonic sound wave will repel mosquitoes within a 2M radius *The UV/LED will radiate waves in the length of 390-410 micro meter. This spectrum is useful for checking the fluorescence fibril of currency. It can also be used for authenticating bank/credit cards, health insurance card,famous brand merchandise, or other products which feature an invisible UV activated security seal. *Torch with the array of 5 white LED'S will emit a strong illumination. |
