Technical specification

SPO2
Range             50%-100%
Accuracy      ≤±2%(90%-99%)
                        ≤±4%(70%-89%)
                        ≤±6%(50%-69%)
Method        Dual wavelength LED

Pulse Rate
Range             30-250bpm
Accuracy      ±1bpm
Battery
Type          1.2VX5pcs rechargeable NiMH batteries 2000-2300mAh
Life            Approximately 20 hours for normal measurement status
Alarm        Low power light alarm

Other  specification
Ambient Temperature      5℃-40℃
Relative Humidity             ≤85%
Storage Humidity              ≤80%
Safety                             Class I, Type BF
Alarm setting, power management, pulse plethysmography,
TFT LCD display.