Mosquito Killer Sound Prank

This app contains five different high frequency sounds. Mosquito Killer app works by chasing the mosquitoes out of your room using ultrasonic sounds.
There are five different sounds, from which you need to select the best sound for your locality. There are thousands of mosquito species. Some Mosquitoes get repelled by some frequency.
Mosquito killer sounds must be kept at high volume for effective mosquito repellent.