1, pulse oximeter CE certified 2, OEM brand accept 3, SpO2 and pulse monitoring, and histogram of pulse display The fingertip Technical Specification ... 6V—3.3V4, Operating current: < 10mA5, Resolution: SpO2 + 1%, Pulse rate: + 1 bpm6, Accuracy: SpO2 + 2% (during 80%--99%) and + 3% ... man-made light: Values of SpO2 and pulse rate can be accurately measured by pulse oxygen simulator.10, Automatic shutdown ...