SAFETY AND QUIET: Adopted ultrasonic technology, ionizes essential oils into an ultra-fine mist to freshen the air, No noise great for soothing your mood, relieving stress, helping you sleep. The BPA-free material ensures healthy use for you, your children or your pregnant woman. 7 COLORS OF LED LIGHT: This aroma diffuser can also be used as a night light with 7 colors you can choose. There are two modes to choose from: constant / changing color. The soft lamp creates a romantic atmosphere. SMART & CONVENIENT: All operations can be done with just one click. The first button clicks to spray and the fellow scout turns on, the second clicks on the light to fix the current color, the spray continues to run, the third click enters intermittent spray mode, turns off the light, and the fourth A click to stop. SUITABLE SIZE: Essential oil diffuser can hold up to 180ml of water and produce up to 15ml of moisture per hour. It can diffuse essential oils in rooms of 15-30 m and achieve up to 6-12 hours of continuous low consumption essential oil diffuser automatically turns off when water runs out. PERFECT FOR GIFTS: Featuring a unique wood pattern, essential oil diffusers are perfect for gifts, perfect for the bedroom, office, living room, bathroom, yoga, SPA, conference room, baby room, etc. Can be used as a diffuser / air purifier / night light.