Major Features ■Integrated with SpO2 probe and processing display module ■Small in volume,light in weight and convenient in carrying ■Operation of the product is simple ,low power consumption ■SpO2 value display ■Pulse rate value display, bar graph display ■A pulse rate sound indication ■With measured data overruns limits and low-voltage alarm function ■Low-voltage indication: low-voltage indicator appears before working abnormally which is due to low-voltage, and with alarm function ■Automatically power off function: when the device is under the state of measuring interface . it will automatically power off within 5 seconds if the finger falls out of probe ■Small appearance,more fit for children Main performance Display Mode: TN segment LCD display SpO2 Measuring Range: 0%~100%, (the resolution is 1%). Accuracy: 70%~100%:±2% ,Below 70% unspecified. PR Measuring Range: 30bpm~250bpm, (the resolution is 1bpm) Accuracy: ±2bpm or ±2% (select larger) Measurement Performance in Weak Filling Condition: SpO2 and pulse rate can be shown correctly when pulse-filling ratio is 0.4%. SpO2 error is ±4%, pulse rate error is ±2 bpm or ±2% (select larger). Resistance to Surrounding Light: The deviation between the value measured in the condition of man-made light or indoor natural light and that of darkroom is less than ±1%. Power Consumption: less than 70mA Voltage: DC 3.6V~4.2V Power Supply: Voltage 3.6 rechargeable lithium battery × 1 Battery Working Hour: 10 hours Battery working life: Charge and discharge no less than 300 times. Safety Type: Interior Battery, BF Type Accessories Sell in standard: ■A hanging rope ■A user manual ■One rechargeable buttony lithium battery ■Charge accessories: One power adapter, one charger, one data line Physical Identity Dimension: 46(L) × 40(W) × 29(H) mm Weight: About 35g (with a buttony lithium battery) Qualification Passed CE