Essential oils diffusers 7 colors changing lights: This electric aromatherapy mister has 7 colors LED lights, you can adjust any color you like (monochrome/continuous color switch).^ Safety aromatherapy diffusers: The aromatherapy vaporizer is made of BPA-Free material. ^ It's also a quiet aromatherapy machine, under 35 decibels, widely used in baby room, yoga and office. It's a safe and reliable air diffuser.^ Auto-off water diffuser: When this aroma diffuser runs out of water, it will stop working automatically. This is a reassuring essential oil diffuser.^ Humidifier and diffusers two in one: It can be used as a diffuser and add essential oils as an aromatherapy machine to experience aromatherapy, or as a humidifier to dry air, or as an air purifier to remove peculiar smells and restore natural air. It can also be used as a night light and beautiful decoration, an ideal gift for friends.