Function:
It is designed to eliminate mosquitoes and other flying insects, as indicated by the text "Elimina todo tipo de insectos" (Eliminates all types of insects) on the packaging.
Mechanism:
The device likely attracts insects, possibly using light (as suggested by the "LED" icon on the box) or other attractants, and then traps or kills them, potentially through an electric grid or a cartridge system ("Con cartucho 'Rio-Tech'").
Area of Action:
The box specifies an "Área de acción 25 m3," meaning it is effective in an area of 25 cubic meters.