The listing, CHOIECEMMED PULSE OXIMETER has ended.
Brand new in box. reads blood oxygen levels and heart rate,simply by placing the lanyard (finger clip) comfortably on finger. this is a must have.for persons with copd (asthma emphysema etc..) this is a very lightweight,portable,convenient unit that is very easy to read. you can view your reading from all sides and features adjustable brightiness. comes with a carrying case as well. two aaa bateries included. so easy, you not leave home without it. peace of mind is priceless!