Boopi ultrasonic diffuser This is a diffuser that can easily be integrated with its rounded shape, its cozy wood-look coating, its small size and its soft and colorful lighting. It is easy to use with a single button to activate the lighting and set the operating mode: continuous broadcasting with automatic shutdown after 2 hours or broadcasting for 15 seconds every 15 seconds with automatic shutdown after 4 hours. It ensures effective diffusion for a room of up to 40 m². It has an automatic shutdown when the tank is empty. This product has a socket with type C plugs. This type of plug can be used everywhere in Europe, except in Great Britain, Ireland, Cyprus and Malta, countries for which an adapter is required. For the United States, this product also works on 110V and only requires an adapter.