The device provides protection against mosquitoes, flies and other flying insects in closed rooms. Plugged into an electrical network, after switching on, it vaporizes the liquid containing the active ingredient, after 8 hours of use for 60 days. Instructions for use: Insert the liquid into the device from below, then plug it into the 220V wall socket. The evaporation of the liquid provides protection against mosquitoes throughout the night. Unplug the device from the wall socket after use. Attention: Use the BROS SENSITIVE mosquito repellent device in the presence of children, patients or sensitive persons.