LED Humidifier Essential Oil Diffuser Ultrasonic Aromatherapy Air Purifier Description: The 3.3L water tank has a large capacity and is made of ABS shell material with high toughness and wear resistance. Double nozzle design, using 3 spray modes, continuous, alternating, and intermittent modes can be switched at will. Touch switch design, silent work, you can add aromatherapy essential oils for use. Ultrasonic nano atomization humidification keeps the air fresh and lasting moist. Long-lasting spray, can be used for up to 48 hours with one addition of water. Less than 36dB ultra low noise, works quietly from morning to night, will not disturb your sleep. Colorful LED night light for nice illumination in darkness, creating great romance in your room. Humidification, aromatherapy and 7-color ambient light are automatically switched. USB powered, compatible with any device with USB port like laptop, desktop, power bank, socket, power outlet. Specification: Applicable Area:<31-40 square meters Input Voltage: 5V/1A Rated Power: 3.5-4W Water Tank: 3300ML Spray Volume: 180-220ml/h Interval Spray Time: 16 hours (timing) Constant Spray Time: 12 hours (timing) Material: ABS+PP+Electric Part Power Supply: USB Cable( without battery, can not be charged ) Size: approx. 220x120x203mm/8.66x4.72x7.99inch Package Includes: 1* Air Humidifier 1* USB Cable 1* Manual