Sell No.1 Brand Fingertip Pulse Oximeter Accurate & Fast Spo2 Reading Oxygen Meter Monitor with 10 Year Warranty!! best price

Features: 1. Battery Energy Saving: Auto power off when no operation for 8 seconds. 2. Accurate: It is fast and reliable: fingertip pulse oximeter can accurately test in less than seconds. 3. Alarm function: set the alarm and beep sound as you need. There will be a warning when the measured values ​​go beyond the parameter. Know it immediately 4. Portability: This product is small in size and light in weight, which is very convenient to carry around. Description: Designed for sports and aviation enthusiasts, can be used as a heart rate monitor, does not take much space and can be easily taken away. Specifications: SpO2 measurement range: 5%~99% SpO2 accuracy: +1% in the range of 90%~99% +2% in the range of 70%~89%, other scope is not defined SpO2 Alarm range: Consistent with the display range, the set step length is 1% Pulse rate range: 30 bpm~250 bpm Pulse rate accuracy: ±1 bpm Pulse rate Alarm range: Consistent with the display range, the set step length is 5 bpm Data update cycle: 0.25s~2s SpO2 PR average: 8s Pulse rate sound: PR tone Peak wavelength range: 500nm~100nm Maximum optical output power: 150mW Pulse rate display: Numeric Display: two-color OLED, 0.96 inch Power dissipation: in normal measurement, less than 10mA, in power off state, less than 50uA Battery : 2 *AAA alkaline dry batteries (not included) Material: ABS+PC Size: 57.5*37.1*35.2mm Package Included: 1 * Oximeter 1 * User manual Notes: 1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.