Container for volatile substances with liquid level indicator

Container (1) configured to allow the evaporation of volatile substances, comprising first and second chambers (2, 3), wherein said first chamber (2) contains a porous material (4) impregnated with a first volatile substance contains an insecticide and / or perfume, and wherein the second chamber (3) containing 1 May volatile substance suitable indicative to provide a visual indication of end of life of the first volatile, characterized in substance that said second chamber is closed by a permeable film (5) which allows the evaporation of the volatile substance indicative in a vapor state, and wherein the amount of said first volatile substance and indicative volatile substances and their composition, are selected to synchronize the evaporation of said volatile substances, so that the evaporation of said volatile substances is synchronized so that both volatile substances are exhausted at the same weather.