Features: This is a household atomization device for all ages, especially children and the elderly. Hand-held design, compact, portable, easy to use, anytime, anywhere. Quiet design, good atomization effect, less residue, fast speed, very practical. Helps to provide steam therapy for colds, influenza, bronchitis and other respiratory diseases. The button is simple to operate and easy to use. It has the function of automatic microgrid cleaning and automatic shutdown for a long time. Specification: Condition: 100% Brand New Material: ABS Mains Connection: 100-240V,50-60HZ;0.15A Input: 5V/1A Oscillation Frequency: 100kHz±10% Condensation Rate: ≥0.25ml/Min. Atomized Particles: ≤5um Medication Flow Rate: Approx.0.4ml/Min. Volume: Max.10ml Operating Conditions: Temperature: +5℃-+40℃ Relative Humidity: <80% Non-Con-Densing Storage and Transport Conditions: Operating Conditions: Temperature: -10℃-+45℃ Relative Humidity: <80% Non-Con-Densing Power Supply: 2 x AA Battery (Battery Not Included) Size: Approx. 116.5x42x67mm / 4.6x1.7x2.6in Package List: 1 x Nebulizer (Battery Not Included) 1 x Adult Mask 1 x Children Mask 1 x Mouthpiece 1 x Instruction Manual 1、This is a household atomization device for all ages, especially children and the elderly 2、Hand-held design, compact, portable, easy to use, anytime, anywhere 3、Quiet design, good atomization effect, less residue, fast speed, very practical 4、Helps to provide steam therapy for colds, influenza, bronchitis and other respiratory diseases 5、The button is simple to operate and easy to use. It has the function of automatic microgrid cleaning and automatic shutdown for a long time