Electric mosquito repellents emit low-frequency sounds that are slightly audible to humans but extremely annoying to mosquitoes, thus achieving a repellent effect. It has a European type C plug. Colpharma has developed an innovative technology with variable sonic emissions, with modulated frequencies and intensities. The goal is to prevent mosquito addiction to fixed sound, to ensure complete and continuous protection and better repellent efficacy. With the electric mosquito repellent you have at your fingertips a simple and effective way to protect your home from mosquitoes by avoiding the use of chemical repellents or biocides that can be toxic to your health, especially when there are children, babies or pets in the house. It is recommended to connect it to a power outlet and adjust the intensity: since the sound is slightly audible, it is possible to vary the intensity up to 3 levels.