... Displaying volume and column diagram of stroll. 2.4 directions, 8 display Finger Pulse Oximeter with CE approvedFunction:1,Monitoring ... column diagram of stroll.3, 4 directions, 8 display. Description:1,Display Method: Color OLED display, two display directions.2,The product is ... moving status.6 Read correspondent datum from display screen.7 8 display modesBrief Description of Front PanelIt is apparent ...