Functions: Routine check mode and continuous monitoring mode Data graph and trend table review Rich analysis report Perfect mount solution Convenient operation by touch screen Large sd card memory for more than 10, 000 patient cases storage Advanced analysis software for sleep study (free with the oximeter) Sync with pc based software (winxp and win vista). Specifications: Display: 3.5 color tft Resolution: 320x240 Display mode: standard face, waveform face, Display direction adjustable Indicator: power indicator light, alarm sound, pulse tone Interface: one dual-purpose socket for connecting spo2 sensors and communication cables Power supply: dc 5v,