ITEM NAME:Black Motion Measurement Heart Rate Device Finger Pulse Oximeter Blood Oxyg P8K1 Black Motion Measurement Heart Rate Device Finger Pulse Oximeter Blood Oxyg P8K1 1. Display parameters: blood oxygen SPO2 value, pulse PR value,2. Display screen: The product adopts monochrome LED screen display.3. Display mode: two directions 4. Energy saving and environmental protection: low power consumption, two AAA batteries can be used for more than 40 hours. 5. Voltage warning: There is a low voltage warning when the battery voltage is too low, which may affect normal use. 6. Auto power off: When no signal is generated, the product will automatically shut down after 8 seconds. 7. Advantages: Integrating blood oxygen probe and processing display module, the product is simple to use, low in power consumption, small in size, light in weight and convenient to carry. Product Name:Finger Pulse Oximeter Product parameters: Oxygen saturation Measuring range: 70%~99% pulse rate Measuring range: 30BPM~240BPM Blood oxygen saturation measurement accuracy: +/-2%, less than or equal to 70% in the range of 70%~99% Pulse rate measurement accuracy: +/-1BPM or +/-1% of the measured value (larger value) Blood oxygen saturation Resolution: blood oxygen saturation +/- 1% Power consumption: less than 30mA Auto power off: 8 seconds automatic shutdown when no finger is inserted Operating temperature: 5 Celsius ~ 40 Celsius Storage humidity: 15%~80% when working, 10%~80% storage Atmospheric pressure: 70Kpa~106Kpa Battery model: 2*1.5V (2 AAA alkaline, product does not contain battery) colour:Black Material:ABS+PC size:5.8*3.7*3cm Package Contents: 1* oximeter 1* lanyard 1* user manual