The Chic Ultrasonic Antimosquito Device 7221 is designed to provide protection against mosquitoes using advanced ultrasonic technology. This non-chemical solution works by emitting high-frequency sound waves that are generally inaudible to humans but disruptive to mosquitoes, encouraging them to stay away from the protected area. It is an ideal solution for maintaining a comfortable environment without the use of sprays or plugs. This device is suitable for use in various settings where protection from insects is desired.