Based on the emission of five frequencies (12, 14, 16, 20 and 22 kHz) App insect repellant, operates in the background with infinite loop frequency alternating and joined without the need for the user is changing the frequencies. Variation in frequency noise does not prevent the mosquitoes, but blocking their sensors, preventing them to perceive the presence of humans and animals. Depending on the type and manufacturer of the device, what actually happens is that incest imitido not escape the sound of the machine, but the air displacement caused by sound waves. Both insects depart only area very close to the sound of the instrument and does not sound at all locations where the sound achieved.
Note: you have to be analyzed by the application when it comes turns a fly repellent. Longer depending on the application does some insects lose consciousness that can make them stand still or disoriented.
