Feature: Large Capacity and Great Mist Output: 400ml aroma diffuser can run up to 6-12 hours with 30-80ml/H. It can last on a full day or night. Fits room: 300squ.ft. Automatic power off when water used up, which ensures safety. 4 Timer Setting and Mist Control: 4 timer- 1H/ 3H/ 6H/ Continuous modes. Press the MIST button for 3 seconds, one beep for strong mist, two beeps for weak mist. 7 Soothing LED Light: 7 colors with steady on/changing color mode. Each color has two light options: bright and dim. Press the LIGHT button for 3 seconds, light turn off. Super Quiet: Adopted ultrasonic technology, this diffuser is extremely quiet when working. It gives out ultra fine and smooth mist which can soften and moisten dry and chapped skin in winter. Specification: Product Dimensions: 6.7x 6.7x8.5 in Capacity of water tank: 400ml Advanced Ultrasonic Technology: 2.4MHZ Input power: AC100-240V 50/60HZ Working time: can produce mist for 6/12hrs depending on strong or weak mist mode Package List: 1 x Aromatherapy Diffuser 1 x AC Adaptor 1 x Manual 1 x Measuring Cup