This item is made of plastic material, it is durable and lightweight. simple design with detail makes it practical, suitable for curing cold, fever, cough, , sore throat, , , , pneumoconiosis etc. Feature - Color: Blue. - Material: ABS,PP. - Size: About 6.7x4.2x11.65cm. - Atomization speed: &ge;0.25ml/min - Cup capacity: About 0.5ml-10ml - Working frequency: 110KHz&plusmn;10% - Battery Supply: DC 5V /1000mA USB power adapter or 2 x AA 1.5V Alakline Battery-Not Includes - Residual liquids: <=0.5mL - Power: 2W - Atomized particles: <=3.7&mu;m - Noise: <=50Db(A) - Made of ABS material, hard structure and lightweight. - With the piezoelectric components, the low noise design is quieter. - product for treatment of fever, cough, , sore throat, , , etc. - Small size, portable to carry for indoor, outdoor activities. - It can achieve rapid and effective treatment, you or your family will enjoy the comfortable life. Package list: 1 x