The EcoGecko Little Squirt is the perfect size for neutralizing unpleasant odors in smaller space. Simply fill the bowl with tap water, add a few drops of the included aroma oil and turn on the freshness. The unit has a fan system that sucks the air from the room into the water. The air is pushed through the aroma oil scented water, particles are trapped in the water and pleasantly scented air is released back into your room. The shimmering blue LED light emitted into the water and the whirlpool of swirling water will turn any indoor space into a zen like atmosphere. The gently swishing water creates soothing white noise for a peaceful and restful environment. EcoGecko Little Squirt Perfect for Freshening the Air in Smaller Spaces, Such As Office Cubicles, Bathrooms and Smaller Rooms. The Little Squirt comes with an AC adapter to plug into the wall, but you can also simply plug the USB into your computer if there is no outlet available. Works Great as a Night Light The shimmering blue LED light emitted into the water and the whirlpool of swirling water will turn any indoor space into a zen like atmosphere Smaller Size EcoGecko Unit Helps to remove bathroom odors. Add a few drops of oil to the water to make your space smell great. USB Powered with AC Wall Plug Run by USB and uses very little power. Can be plugged directly into any USB port, or use the included AC adapter to plug into any wall outlet. Diffuser Oils Without Mist Add aroma or essential oils to the water and freshen the air in your space.