The microA OMRON NE-U22 is a pocket inhaler, truly portable, it fits in any bag or briefcase. Runs for approximately 8 days (30 minutes per day) with two AA size batteries, so no need to recharge after each treatment. Misting was started immediately by pressing a button. Compatible with all kinds of solutions, suspensions Pulmicort type, and medications sensitive to heat or ultrasound. Produces the ideal particle size for deposition and absorption in lower lung passages (bronchioles and alveoli). Thanks to its low residual volume, not just wasted medication. Very easy to clean.