Pvc+sands | ALL IN ONE FUNCTION: This is a aormatherapy essential oil difusser, cool mist humidifier and night light. Also a beautiful room decor. Continuous cool mist and savor the pleasing scents to give your home a fresh, fragrant scent, relieve stress, and revel in deep relaxation. Great ideal for home, office desk, bedroom nightstand, yoga studios,spa,office | WATERLESS AUTO SHUT-OFF: This diffuser has a water shortage cut-off protection, so you don't have to worry about the danger of running out of water when you are busy with work or sleeping at night. When the diffuser is out of water, this diffuser will automatically shut down to ensure your safety | ODOR NEUTRALIZATION AND FEEL RELAXING: The oil diffuser with some aroma will add the amount of moisture to the room to cover the smell of pets or smoking. The 7 colors lights as a night light to make you feel very relaxing. It’s perfect for small-sized rooms and works great even in a large room | WHISPER QUIET ULTRASONIC TECHNOLOGY: Essential Oil Diffuser adopted advanced ultrasonic technology, it is extremely quiet without annoying noise that won't disturb you when you sleep or at work. No heat is used, making it safe for kids and pets | VERSATILE USAGE: The mist and light features can be used independently, allowing you to customize your experience. Use it as a night light, reading companion, or during yoga sessions. This aromatherapy diffuser is a versatile and convenient addition to any setting