Stadler Form LEA Aroma Diffuser - MetalAroma diffuser with unique technology (patent pending), scenting directly from fragrance bottle. No water. No constant filling. No cleaning. Lea comes with interval mode for longer operation (10 minutes on and 20 minutes off). Optional daylight mode allows you to only use the diffuser during daytime hours or room lights are on. Lea also have rechargable batteries and can be charged by usb chord. Battery change level is indicated by the touch of a button. Comes with a refillable bottle so that you can choose the fragrance of your choice.Product Features: Day Light ModeRechargable BatteriesNo changing water/cleaningInterval Setting