·Measurement range: 70%-99%

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

·Resolution: ±1%

·Low perfusion: <0.4%

PR:

·Measurement: range:30BPM-240BPM

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

·Power: two AAA 1.5V alkaline batteries

·Power consumption: below 30mA

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

·Dimension: 62mm*32mm*33mm

·Operation environment:

·Operation temperature: 5oC-40oC

·storage temperature: -10oC-40oC

·Ambient humidity: 15%-80% on operation

                                     10%-80% in storage

·Air pressure: 70kPa-106kPa

·Declaration: EMC of this product comply with IEC60601-1-2standard