The OMRON MicroAIR is a truly portable, pocketsize inhaler that will fit in any hand-bag or briefcase. It works for approx. 8 days (30 minutes each day) on just two penlight batteries (AA size), so you don't need to recharge it after every treatment. The simple one button operation enables immediate start of the nebilisation. Your medication is always within reach wherever you go whatever you do. Mesh Technology -4 hours nebulisation time on 2 batteries -Virtually noiseless -Wide medication compliance -Handy carrying case -Various angles for inhalation possible -Simple one-button operation -Low medication residue -2 penlight batteries included -Hygienic – easy to clean