Is the mosquito alarm harmful?
Mosquito is not loud enough to cause any damage to hearing even at close range. In many cases the sound is quieter than many other sounds in our environment. The Mosquito has its effect by being repetitive and highly annoying even at low volume levels
The Mosquito is safe, legal and harmless. The safe use of the anti-social device to prevent unwanted behaviour is backed by several organisations. Here you can download and view various documents that verify its use in terms of its legality and harmless nature when installed in appropriate situations.