1, pulse oximeter CE certified 2, OEM brand accept 3, SpO2 and pulse monitoring, and histogram of pulse display The fingertip ... Measuring range: SpO2 display: 50%--99% resolution: + 1% Pulse rate display: 30bpm-240bpm, Resolution: + 1bpm3, Power supply requirement ... pulse oxygen simulator.10, Automatic shutdown function: The device will power off automatically in 8 seconds when there is no finger ...