The Mobil-o-Graph can work with patients over the age of 3 years old providing they won't cause themselves injury with the air tube.
The measurement range has an accuracy of +/- 3 mmHg in the display range and works within:
Systolic 60 to 290 mmHg
Diastolic 30 to 195 mmHg
Pulse rate of 30 to 240 beats per minute
The device will work within a temperature range of +10°C to +40°C.