About this item Himalayan Salt Lamp Diffuser: DqBaoKuan air diffuser blends modern style with natural Himalayan salt crystals, adding a stunning touch to any space. Its elegant design enhances your decorative taste Ultra-Quiet Technology:Utilizing advanced ultrasonic technology, this diffusers operates at less than 25 db?virtually silent?allowing you to enjoy pure fragrance at home without any disturbance Long-lasting fragrance release: The essential oils diffuser is equipped with a large 400ML water tank,you can enjoy up to 20 hours of fragrance diffusion in intermittent mode. The infuser aroma diffuser also has 7 LED light colors to choose from, creating the perfect atmosphere for all-day enjoyment Two Mist Modes with Timer Function:Easily switch between two mist modes, continuous mist for steady scent (8-10hrs) and intermittent mist for extended diffusion time (16-20hrs).The timer function allows you to set the aromatherapy diffuser to run for 3 or 6 hours, customizing your aroma experience to fit your schedule seamlessly Safety Design with Auto-Shut-Off: For your peace of mind, the diffuser features a waterless auto-shut-off feature, ensuring safe operation for you and your family