Functionality: It functions as both an aroma diffuser for essential oils and a humidifier to add moisture to the air.
Lighting Modes: The flame effect often features multiple color options (e.g., yellow, red, blue, green) or an automatic color-changing mode.
Operation: Many models are designed for quiet operation, making them suitable for bedrooms or offices.
Safety Features: They typically include an automatic shut-off function that activates when the water level is low for safety.