深圳长坤科技有限公司

　　1   SpO2 and pulse monitoring, and Waveform display.

　　2    With menu operation.

　　3    With beep and alarm.     

　　4    Low-power consumption, continuously work for 50 hours.

　　5    Small in size, light in weight, and convenient to carry.

　　6    Low voltage alarm display, Auto power-off.

　　7    Runs on standard AAA batteries.

　　Detailed descriptions of product functions:

　　SPO2:

　　1    Measurement range: 70%-99%

　　2    Accuracy: ±2% on the stage of 70%-99%, unspecified(<70%) for SPO2

　　3    Resolution: ±1%

　　4    Low perfusion: <0.4%

　　PR:

　　1    Measurement: range:30BPM-240BPM

　　2   Accuracy: ±1BPM or ±1%(the larger one)

　　3    Power: two AAA 1.5V alkaline batteries

　　4   Power consumption: below 30mA

　　5    Automatic power-off: the product shuts down automatically after no signal for 8