- Large TFT screen to display the test result clearly.
- Measure FVC, PEF, FEV1 etc. parameters synchronously.
- With precise, credible test result and good consistency.
- Built-in predicted value, display the tested current condition by red, yellow and green bar.
- Communication with the computer with the USB (or Bluetooth), which can calculate data, analyse trend and export.
- Built-in lithium battery, battery power display
- Automatic power-off when there is no operation in one minute.
Outstanding value for money! For more information – please, ask!