Brand new, unused ultrasonic humidifier. Powerful humidification, suitable for up to 20 tatami mats: With a maximum humidification capacity of 250ml/h, it effectively humidifies rooms up to 20 tatami mats, such as living rooms and Japanese-style rooms. Ultra-fine mist & double nozzle: Emits a non-heated mist of 3-5μm, preventing floors from getting wet, making it safe for homes with small children and pets. Large 3L tank & up to 28 hours of continuous operation: The 3L large-capacity tank reduces the need for frequent refills. It can operate continuously for up to 28 hours on low mode, ensuring peace of mind while you sleep. Simple and smart design: A sleek design that won't disrupt the atmosphere of your room. Aroma compatible & LED light: Compatible with essential oils for enjoying fragrances, and the 7-color LED light beautifully illuminates the water surface, creating a relaxing space. Silver ion equipped & easy-to-clean design: Silver ion (Ag+) coating is applied to the inside of the tank to inhibit water spoilage and the growth of bacteria. Quiet design & sleep mode: Operates at a quiet level of approximately 40dB or less. Sleep mode turns off the operation sound and lighting, ensuring undisturbed sleep. Energy-saving, timer, and dry-running prevention: Economical with a power consumption of 25W. Equipped with a 24-hour timer and dry-running prevention function for safe and efficient operation.