There are about 3500 known mosquito species in the world and they all react slightly different to the repeller. this application achieves the effect of mosquito repellent by producing a ultrasonic(16 KHz - 20 KHz) and using the principles of bionics to mimic the calls of bats. Keep the application close to you and mosquitos will avoid you. It’s not a 100% cover but will ease the pain of mosquitos biting you ,especially in the field. Use the pitch controls to find the optimal repelling frequency for your region.