Advanced ultrasonic technology Advanced ultrasonic cool mist technology by inserting a unique 2.4MHz vibrating evenly to keep a best 50% air humidity and 215-270 sq.ft coverage, which gives you an all-round care. Home Decoration This streamlined vase diffuser can be perfectly blending into your home decoration. Matching with branches of flowers and drops of essential oils, it brings you relaxation and enjoyment from both visual and olfactory. Moisten Skin Are you still suffering from the dry air? This essential oil diffuser can definitely help you cut of that! Just due to a noticeable glow of diffuser mist. Humidify Air Diffuser can humidify air. It will be a ideal partner of your family life and give your every room a fresh scent. Reinforce immunity Feared at flu and cold? Do not hesitate to improve your breathing and strengthen the immune system by owning an 400ML essential oil diffuser. Relieve Stress & improve Sleeping 7 color creates a romantic atmosphere. Adding drops of oils, lying on bed, you can enjoy a peaceful night. Specifications Color: White Material: ABS/PP/PC Size: 167*144mm Shape: Vase Capacity: 500-550ml Working time: 10h LED Light: 7 colors Applicable area: 20-40 sql Rated Voltage: 24V, rated Power: 12W Lack of water and power protection: support Noise: Less than 36dB Remote control: Yes how to use? LIGHT Button press first： turn on the LED light, color changes automatically Press second: set the color on Press third: select dim or bringht color MIST Button Press first: continuous mist coming out Press second: 1 hour timer Press third: 3 hour timer Press four: 6 hour timer Note: Be sure to use a mild detergent if you want to clean the humidifier. Don't fill water over the Max line at any time. Don't switch on power when the tank is empty. Clean regularly as per Maintenance instruction to avoid malfunction. Maintenance instruction Add a small amount of warm kitchen detergent remover. Clean with water. use swab to wipe gently, and then use cleaning cloth to dry it lightly. What is included: 1. Power cord 2. User manual 3. Remote control 4. Measure cup