Features: SPO2 and PR display, PR waveform and bargraph display Measure SPO2 and PR accurately Plethysmogram display, Battery Indicator Alarm setting for Spo2 and Pulse Dual direction display Three levels adjustable brightness Pulse sound function Store and Alarm function; can set upper and lower limits USB interface to Computer, software can analyse, store and print the data Rechargeablr Li battery Function switch used to activate measurement and turn off power & function key for menu setting Low power consumption Free PC software download real-time data to PC to monitor the SpO2 data Suitable for adult, pediatric and neonatal Interference resistance capacity against ambient light Can be used in: Hospitals, Emergency services, Pre & Post operation, Transport, Procedure room, Nursing homes, Urgent care, Sleep evaluation, Physician is office. Specification: Display Color OLED display, 160í-128 SpO2 Measurement range: 35í½99% Resolution: í+1% Accuracy: í+2% (70%í½99%), unspecified (