| Features： |
| l Multi-Color TFT Display, 1 inch, four display modes, have big-font display, digital display and plethysmogram display. |
| l Change directions manually according to patient observe needs. |
| l Audible alarm function, Alarm lamp display and heart rate pulse synchronization. |
| l Low power consumption, 50 hours continuous to work. |
| l It has the function of Perfusion Index to better get the pulse oxygen perfusion. |
| l When the battery voltage is too low, which may affect the normal use, there will be a low voltage warning indication in the visual window. |
| l Automatic power off when no signals for 8s. |
| l Small and light weight, convenient to carry. |
| l Spo2 measurement range: 35%-99% . |
| l PR Measurement range: 30- 240 BPM. |
