Flame Effect: Uses built-in LED lights to illuminate the rising mist, creating a safe, touchable "flame".Multi-Color Lighting: Many models offer a variety of LED colors (often 7 colors) that can be set to a single fixed color or a cycling gradient.Capacity & Performance: Most units have a water tank capacity of approximately 120ml to 150ml, providing several hours of continuous use.Safety Functions: Features often include an auto shut-off function that turns the device off when the water level is low.Design: Often features an elegant exterior, such as a wood grain texture, making it suitable for home decor in bedrooms or offices