Fingertip Pulse Oximeter – YK-81

Description Features: OLED display 2x AAA 1.5V alkaline batteries – NOT SUPPLIED Gravity sensing function: finger movement, the screen display will change with the gravity sensing changes. 8 second automatic shutdown Specifications: Display Type: OLED display SpO2: Measurement range: 70%~100% Accuracy:  70%~99%:±2% 0%~69% Resolution: 1% Pulse Rate: Measurement range: 30~254BPM Accuracy: ±1bpm or ±1% Power: 2x AAA alkaline batteries – NOT INCLUDED Automatic standby ~8 seconds Environment: Operation Temperature:  5°C~40°C Storage Temperature:        -20°C~55°C Ambient Humidity:            <80% in operation <93% in storage Air Pressure:                        70kPa~106kPa