Check the listing for details. Wrist PulseOximeter with Alarm measure SpO2,PR,Respiration rate,Oronasal Airflow. Condition: New. Listed at 161.49 USD. Our Service Free DeliveryFree Delivery 1 Year Official Warranty Free Returns Money Back Guarantee Award Winning Customer Service About the Item ☀️ Wearable design with 1.44 inch display for sleep monitoring.☀️ Power saving mode with display off, brightness adjustable.☀️ Simply measure SpO2, PR, Respiration rate, Air flow and Snoring.☀️ Visual/Audio and vibration alarm.☀️ Data export to PC by USB cable with analysis software and printout.☀️ Data storage up to 72 hours. Bluetooth optional.☀️ Body movement can be recorded and reviewed in the software. Specification SpO2Technology: Dual Wavelength Light Emitting DiodesMeasuring range: 35%~100%;Display range: 35%~100%Measurement accuracy: 70%～100%: ±2%；50%～69%: ±3%Pulse RateMeasuring range: 30bpm～250bpmMeasurement accuracy: ±2bpm or ±2%, whichever is greaterPerfusion indexMeasuring range: 0.2%～20%Measurement method：Continuous detectionWorking environmentTemperature: 0℃~40℃Humidity: 10%～90%Atmospheric pressure: 70kPa～106kPaOronasal airflow rate (breath rate)Detection range: 6～60 rpm (times/min)Measurement accuracy: ±2rpm or ±5%, whichever is greater Product Power supply：500mAh lithium batterySize：56(L)x44(W)x16(H)mmWeight: 40gData upload: USB or wireless upload Package Include 1X Wrist Pulse Oximeter 1X Oronasal Airflow Catheter1X Charging Cable1X User Manual1X Quick Guide1X Warranty Card