Specification 1.SpO2 Measurement range:0%~99% Accuracy: ±2% (70%~99%),0%~69% unspecified Resolution:1% 2.PR Measurement range:30bpm-250bpm Accuracy:±1bpm Resolution: 1bpm 3.TEMP Channel:1 Input: Body surface thermal-sensitive resistor temperature sensor Measurement range:0c~50c Accuracy:±0.2C Resolution:0.1C 4.Alarm Mode: Audio and visual alarms Setup: User-adjustable high and low limits