Certificate: CDSCO,CE,FDA,MDSAP,ISO,INMETRO,ANVISA,MDL,NMPA
-Dual-color O LED displays SpO₂, PR, PI*, and Pulse bar
-4- direction display
-Low power consumption; real-time battery status indication
-Unstable or weak measurement signal prompt mark provides more accuracy
-2pcs AAA-size batteries
-Automatically power off