The Puressentiel diffuser has an ultrasonic diffusion system that spreads the essences in the environment. For a good use, just screw the bottle of oil of the same brand. It works with electric current. It adapts to any type of socket because it has a rotating plug with 4 positions. It does not generate noise. This range of essential oils offers a wide range of aromas. These, moreover, can be used in 3 modes of diffusion according to the taste of users: intense, moderate and night. To change scent, therefore, it is as easy as changing one bottle of essential oil for another. It is ideal for maintaining an aromatic and pleasant atmosphere. Night mode works to keep flying insects away. Not recommended for those who are allergic to scents.