Does herrausragendes.Habe more of them in use, among other things in my anesthesia bag. Delivered in respiratory arrest four years in a surgical practice still plausible values as our stationary Nellcor N 200 had already capitulated to the anesthesia tower. Is easy to read even at night and in low light conditions, only last Sunday came at a Pulmonary edema for use, miserably cold outside, dark, both no Problem.Verwende the device also constantly in the emergency service, puts the otherwise used by us, seven times as expensive BCI device easily in your pocket, especially in patients with low blood pressure. Or backpacks to recommend great gift for any Rettungsdienstler, and physicians' offices and emergency bags necessarily.