This decorative diffuser is simple, yet impressive. Made of white hand-blown glass, it's design is inspired by the soft ripples of the ocean. Warm white and color rotating lights add more luxury to your aromatherapy. Ready to fill your space with essential oils, simply plug it in with the included USB cord. Dimensions: 4” l x 4” w x 6.75” h Coverage: Up to 250 square feet Run time: Up to 12 hrs on intermittent mode Mist modes: Continuous, alternating, off Light modes: Warm white, rotating colors, fixed and off Water capacity: 60ml Power: 5V USB Auto Shut - Off 1 Year Limited Warranty 888-548-0040 - customer service phone number