Bluetooh Digital Fingertip Pulse Oximeter & Blood Pressure Monitor 2 in 1 Household Fingertip Oximetro Dedo Pressure Meter OLED Function Description Blood Pressure Continuous Measurement of BM1300 is a completely new hi-tech in accordance with the algorithm of blood oxygen; which is totally different from the traditional blood stress measurement, and the accuracy of blood presure can't evalutated from the traditional blood pressure measurement BM1300 is principally used for watching blood strain replacing vogue and history records comparision on its app, and measuring spo2, pulse charge and pufusion index SpO2 measurement: Short press energy and performance swap button for 1 second to strength on, input the SpO2 measurement mode instantly CNIBP measurement: When in SpO2 measurement mode, short press the “POWER/FUNCTION” button for 1second, the gadget enter CNIBP mode CNIBP calibration: When in CNIBP mode long press the “POWER/FUNCTION” for 2seconds, input parameter atmosphere interface Next short press, you can set specific parameters Gravitational induction: Rotate the system and the measuring demonstrate rotates Auto shut off: When the obtained sign is inadequacy, “- - -” might be displayed on the display product will automatically be powered off when no signal after 10 seconds Technical Specifications 1 mode: TFT 2: Measurement range: 35~100% Accuracy: ±2%(80%~100%); ±3%(70%~79%) three Rate: Measurement range: 25~250bpm Accuracy: ±2bpm 4: Systolic stress Measurement range: 80~200mmHg Diastolic pressure Measurement range: 40~120mmHg 5 specifications: Working voltage: D V~D Battery Type: Two 1 AAA alkaline batteries Power consumption: smaller than 50mA 6 specifications: Size: 65(H) *32(W) *30(D) mm Weight: about 45g (include two AAA batteries) 7 requirements: NOTE: Temperature: Operation: +5~+40℃ Transport and storage: -10~+50℃ Humidity: Operation: 15%~80%(noncondensing) Transport and storage: 10%~90%(noncondensing) Atmospheric pressure: Operation: 860hPa~1060hPa Transport and storage: 700hPa~1060hPa