Baygon Protector Multi Insect Killer provides complete control of your pest problems. It effectively eliminates flying and crawling insects like the dengue mosquitoes, roaches and flies for up to 3 weeks. Its vapor penetrates into the insects’ hiding places to drive them out and kill them. It contains natural citrus extracts from oranges, giving it a fresh citrus scent and none of the usual kerosene smell. It leaves no lasting odor.