1．Handheld, compact, easy for carrying and handling 2．Intelligent parameter monitoring interfaces, measuring SPO2, TEMP, PR & PLETH 3．Clear and bright 2.8inch color OLED in real time display, displayable in big font and big screen 4．Long time monitoring and sleeping monitoring 5．Storage/Review trend data up to 3888 groups, data save time interval settable 6．Audio and visual alarm when parameters exceeded and sensor-off 7．Built-in rechargeable Li-ion battery, up to 15-hour running time 8．Battery capacity indicator. Automatic shutdown for power saving 9．Pitch Tone: An audible bleep should sound for each heartbeat, the pitch of which should vary with the oxygen saturation. 10．R-R display 11．PR average can be set from 1-16. 12．SPO2 average can be set from 1-16. 1pc main unit 1pc Adult finger SpO2 sensor 1pc TEMP skin probe 1pc AC charger (include USB cable） 1pc User manual in English