Power：DC 5V /2A or 4 X AAA alkaline batteries
Working current：＜450mA
Low voltage indicator：3.4V±0.1V
Nebulization rate：≥0.20 ml/min.
MMAD：≤5 μm
Capacity of medication cup：8 ml
Automatic shut off：Within 1 minute when stop nebulization
Battery Type: Lithium rechargeable battery
Battery Spec.: 1000mAh
Charging time：＜3.5  hours
Battery life time：≥90 min
Noise level：＜30 dB (1 meter away）
Waterproof：IP22
Dimension：110×45×66 mm
Weight：93g