🎄Features : 1. OLED display：This oximeter adopts double color OLED display, can show the six different display mode. 2. Low-power consumption.continuously work for more than six hours with fully charged. 3. Low voltage indicator 4. In the absence of signals, the product wilt be in after 8 seconds to enter standby state 5. Small in volume, light in weight, and convenient to carry 🔅Note: Instnument has 5s automatic signal detection function, when you insert finger, timely will automatically start;Automatic startup function instrument (applicable to Automatic startup function instrument) 🎄Detailed descriptions of product functions: 1. Display Type: OLED display 2. SPO2: Measurement range:70%~99% ✔Accuracy: 80%~99%:士2%(Including80%); ✔70%~79%: 土3%; ✔Below 70% no requirement;Resolution:1% 3. PR:Measurement range;30BPM~240BPM ✔Accuracy:士1BPM or 士1%(the larger one) 4. Parameters of LED probe: ✔RED: Wavelength: 660士2nm; Radiation power: 1.8mW ✔IR: Wavelength: 905士10nm; Radiation power:2.0mW 5. Pl index measurement scope:0~20 6. Voltage: DC2.6-3.6V 7. Automatic standby:the product shuts off by itself when no finger is in the product about 8 seconds 8. Automatic startup: every 5s instrument will automatically detect the signal 9. Dimension:58mmx36mmx33mm 10. Commodity Quality Certification: CE 🎄Operation Instructions： l. Pls meake sure the product is in the fully charged state. 2. Plug one finger into rubber hole of the Oximeter (it is best to plug the finger thoroughly) before releasing the clamp with the nall upwards. 3. Press button on the front panel;(Note: if equipped with automatic startup function refers to clamp oximeter, need not press the button, the instrument has 5 s automatic signal detection function, directly inserted into the finger, instrument is automatically switched on timely) 4. Don't tremble your finger when the Oximeter is working. Your body is not recommended on moving status. 5. Press the button on the front panel, if we want change display direction; 🔅Note: if equipped with accelerometer function of instrument then don't press the button, hand movements, the instrument with the accelerometer has four corresponding interface switch 6. Read relevant datum from display screen. 7. The instrument has the function of sleep, no signal will enter standby state of sleep. 8. Please recharge it when OLED indicates the batteries are in low power. 🔅When plugging your finger into the Oximeter, your nail surface must be upward. 🔅Declaration: Please use the medical alcohol to clean the rubber before each test and clean the tested finger with alcohol before and after the test. (The rubber inside of the Oximeter adopts medical rubber, which has no toxin, no harm, and brings no side effect such as allergy to the our skin ). 🎄Precautions for use: 1.Do not use the Fingertip Pulse Oximeter together with MRI or CT equipment. 2.Check the Fingertip Pulse Oximeter sensor application site frequently to make sure that the circulation and skin integrality of patient are under good condition. 3.Do mot stretch the adhesive tape while applying the fingertip Pulse Oximeter senisor. This may causeinaccura reading or skin blisters. 4.Bright nail or painted nail may cause inaccurate SpO2 reading 5.Please read the manual carefully before your operation. 🎄Packing List: 1 x Fingertip Oximeter 1 x Lanyard 1 x Type-C cable 1 x English user manual 1 x Storage Box 1 x Retailed Box