This device sprays liquid medication into fog panel by compressing air, and form tiny particles, which flow into the throat through an imbibing tube.It adopts oil-free high-efficiency valve with no need for lubrication and it is low noise. It is an ideal product for family and clinic use, and suitablefor patients of all ages.Features: For the successful treatment of asthma, allergies and other respiratory disorders. Creating a stream of air that travels through the clear tube to the nebulizer, which converts medication into an aerosol mist for easy inhalation 1). Special piston air pump design for powerful and quiet operation 2). Compact and lightweight 3). Easy-to-use, one-button operation 4). Breath-enhanced nebulizer design for shorter treatment time5).0-20ML medication capacity6). Ideal for all ages Power supply: AC 220V±22V/50HZ AC 110V±11V/60HZ Compressor Pressure Range: 0.18--0.21 Mpa, 1.8—2.1 bar Operation Pressure Range: 0.05—0.11 Mpa, 0.5—1.1bar Free air flux compressing pump: >12L/min Max nebulizing rate: 0.2-0.4ml /min Particle size: 3.6-4.2um Noise level: ≤ 60dB(A) Operation Temperature Range: 10°C to 40°C (50°F 104°F) Operation Humidity Range: 30% 75% Power consumption: ≤80W Accessories: Nebulizer bottle, Air tube, Mouth piece, Adult mask, Child Mask, Air filters (2pcs), Fuse (2pcs)