Anti mosquito: Repel them away!

"Anti mosquito: Repel them away!" is an application that repels female mosquitoes (the ones that bite) using ultrasound.
Quick Tip: Each family of mosquito is sensitive to a frequency so test each of them.
Instructions:
1) Select the frequency among the nine proposed
2) Direct the speakerphone broadcast the sound throughout the room
You can stop at any time the diffusion of sound Anti Mosquito by pressing the START/STOP button.