Product The fingertip pulse oximeter is an economical and accurate way to measure pulse rate and blood oxygen saturation using your fingers. Its self-adjusting finger clamp and simple one-button design make it easy to use. Small and portable, it's suitable for daily use, allowing you to monitor your health anytime. Widely used in homes, hospitals, oxygen bars, sports health (recommended before and after exercise, not during), environmental protection, etc. Ideal for high-altitude enthusiasts and mountaineers, patients (those undergoing long-term training) at home or in the emergency room, individuals over 60, those working more than 12 hours a day, athletes (professional sports coaches or enthusiasts), workers in enclosed environments, etc. This product is not intended for continuous patient monitoring. Product Name: Finger Pulse Oximeter Product Model: DS103 Features: 1. Display Parameters: Blood oxygen saturation, SPO2 value, PR pulse rate, pulse waveform. 2. Screen Type: OLED / TFT color screen / LED color display / monochrome LED display. 3. Display Mode: 4 directions (2 directions for LED models), 6 setting modes can be switched. 4. Energy Saving and Environmental Protection: Low power consumption; two AAA dry batteries can be used continuously for over 40 hours. 5. Voltage Warning: Low battery voltage affects normal use, indicated by a low voltage warning. 6. One-Button Start: Simple operation with a one-button start function. 7. Automatic Shutdown: The product automatically shuts down after 8 seconds when no signal is generated. 8. Advantages: Integrated blood oxygen probe and processing display module, making the product easy to use, with low power consumption, small size, light weight, and portability. Blood Oxygen Saturation Measurement Range: 0 ~ 100% Pulse Rate Measurement Range: 30BPM ~ 250BPM Blood Oxygen Saturation Measurement Accuracy: ±2% in the range of 70% to 100%; undefined for ≤70%. Pulse Accuracy: 1BPM or ±1% of the measured value (whichever is greater). Blood Oxygen Saturation Resolution: ±1%. Power Consumption: Less than 30mA. Automatic Shutdown: If no finger is inserted, the product automatically shuts down after 5 seconds. Operating Temperature: 5℃~40℃. Storage Humidity: 15%~80% during operation, 10%~80% during storage. Atmospheric Pressure: 70Kpa~106Kpa. Battery Model: 2 AAA alkaline batteries (batteries not included). Material: ABS+PC. Packaging Parameters: Product Size: 62*31*36MM. Single Product Net Weight: 31.0G. Color Box Size: 84*57*45MM. Single Product Gross Weight: 52.0G. Package Contents: Finger Clip Pulse Oximeter x 1