Sell Finger clip TFTLCDOLED blood oxygen saturation lk88 89 oximeter KK best price

Package Included: 1*Oximeter Specifications: specification: Product parameter Product name: Finger clip oximeter Display mode: digital tube, TFT, OLED Net weight: 33g Battery specification: 2*AAA battery Power consumption: less than 30mA Voltage: DC 3.0V Product size: 5.8cm*3.2cm Screen resolution: 128*64 SpO2 measuring range: 0%~100% PR measuring range: 30bpm-250bpm Description: 1. Insert two AAA batteries according to the positive and negative marks in the battery compartment, and close the battery cover; 2. Pinch off the clamp, insert your finger from the mouth into the measurement position (the finger is fully extended), and then press the measurement button 3. Do not pull the human body by the tested finger or be in motion during use 4. Generally, within 5-10 seconds, the relevant measurement data can be read directly from the display screen; 5. Take your finger out of the clamp, it will automatically close after about 8 seconds. 6. Each time you press the button during the measurement process, you can switch the display direction once, a total of 6 switch display directions