Guaranteed operation Suitable for those suffering from Asthma, cough, wheezing Put any liquid prescription you need and it will turn into dense steam Suitable for all ages, young and old Dense steam Low noise Steam control Delivery to all regions of the Kingdom Fast, medium, low Power consumption: 2.0W Product size: 45*45*100mm Product weight: 90g Power configuration: DC 5V/1000mA USB power adapter or 2*1.5V (2 AA alkaline batteries, No. 5) Product features: Fast speed: fine-pore atomizing discs, dissolution rate ≥0.2ml/min Silent: Low-noise design, quieter through piezoelectric components Flashing light: Green light means normal operation, red light means no battery or low voltage power saving and environmental protection: The mask is comfortable, skin-friendly and environmentally friendly. The mask uses pp (polypropylene) as the main material, and does not contain DEHP (i.e. plasticizers/plasticizers). Independent components: Independent atomizing components, easy to clean, one-button disassembly, easy to clean and disinfect, and avoid cross-infection. Advantages: Silent, portable, fine particles, large mist, less residue, fast speed