Message: | UPNMED New Fingertip pulse oximeterWe can offer four colors: green ,Website:http://www.upnmed.org,blue, red,gray1.Two color OLED display, more display modes2.Low-power consumption, continuously four direction adjust able3.Low voltage indicator4.Automatically power off in 8 seconds when there is signal5.Small in volume, light in weight, and convenient to carry |