ACU-CHECK SMH-01 Portable Finger Pulse Oximeter Sports Finger LED Color Screen Oximeter Pulse Oximeter  (Black)

Designed for sports and aviation enthusiasts, 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 pc * Oximeter 1 pc * User manual