Space-Saving Compact Size: The diffuser is powered by the included AC charger. Without taking up too much space, you can easily place this palm-sized aromatherapy diffuser on your desk, countertop, or take it with you on the go. 2 Misting Modes: You can set the demister to intermittent misting (6-8 hours working time), the diffuser mists and pauses every 30 seconds for almost all night; or set it to continuous misting (3-4 hours working time), keep misting until the water is used up, it will instantly spread fragrance in your room. PP Material & Cool Mist: Using PP material, this diffuser emits a comfortable stream of room temperature mist, providing ideal coverage for small to medium sized rooms. Romantic Mood Light: The essential oil diffuser comes in 8 soothing colors, the light can be switched from dim to bright. Great for ambience, meditation, or as a night light. Waterless Auto Shut Off: You can enjoy a restful sleep and leave this diffuser on at night without worry. Once the water runs out, the diffuser will automatically shut off.