Effective Measuring Range
Saturation 40 to 99%
Heart pulse Rate 40 to 250 bpm
Resoltion 1 digit


Accuracy (incl. otion artifacts and low profusion)
Saturation (70-99%) +/- 2% or +/- 2 digits
Heart Rate +/- 3% or +/- 3 digits
Display
Saturation 2 characters
Heart Rate 3 characters
Signal Indicators Sensor 'OFF' & 'Weak Signal'
Flashing Heart Icon
Battery Indication Full Power, 1/3rd, and near empty
Power Requirements 3.6V Lithium battery, 1/2 AA size
Signal Indicators 1000 Hrs or 40 days of
continuous usage
Mechanical
Overall Dimensions 2.91" x 1.57" x 1.61" (74x70x41 mm)
Weight 1.8 oz (55g) incl. batters
Environmental
Storage Temperatures -4 to 158 F (-20 to 70 C)
Operating Temperatures 39 to 107 F (4 to 42 C)
Humidit Up to 95% non-condensing