AIR FRESHENER: The unit will pull the air from the room into the base of swirling water. The water acts as a filter, trapping particles and releasing fresh moist air into your room. AROMATIC OIL DIFFUSER: Add a few drops of the included Lavender oil to neutralize unpleasant odors, reenergize stagnant stale air and add a fresh scent to any room. SERENITY: The whirlpool of swirling water and shimmering blue light will turn any indoor space into a zen-like atmosphere, Noise Level Less than 45 db creates white noise for a soothing peaceful environment. The agitation of the water can be adjusted by turning the dial on the top of the unit. Adjustable speed allows you to set your Earth Globe to the speed and sound that works for you. SIZE with SAFETY SWITCH: Diameter 6.5 inches, Height 8 inches covers approximately 600 square feet. Built in safety switch automatically turns unit off when top is lifted. EASY TO CLEAN: Simply dump the water out and fresh water and oils daily. We recommend EcoGecko oils as they are specially formulated for our units.