BS Pulse Oximeter AM 802 1 piece

This is a medical device designed to measure blood oxygen saturation (SpO2) and pulse rate. The auto power off function automatically turns off the power when you remove your finger, and the energy saving design with LCD display allow for continuous use and long-term measurement. In addition, it uses two easily available AAA batteries as its power source. Simply place your finger on the device and press the button to measure. If the blood oxygen saturation level exceeds the standard range, an alarm will automatically flash. It is recommended for preventing altitude sickness when climbing mountains, checking your physical condition before exercise, and managing your respiratory health when exercising, such as running or walking. It can also be used for daily health management by people with respiratory illnesses such as asthma or those who are concerned about their health. It can be used to manage the daily health of people who have difficulty visiting medical institutions and elderly people who require care at home. Measurement accuracy: ±2% (90-100%), ±3% (70-89%) Measurement range: 70-99% Display unit: 1% Pulse rate Measurement accuracy: ±3bpm Measurement range: 30 to 250 bpm Display unit: 1 bpm LED wavelength: about 660nm, about 905nm Leakage current: BF type Water-resistant rating: IPX2 Power supply: DC3.0V (2 AAA alkaline batteries) Medical device certification number: 304ALBZX00007000