Features:

• Ultra-thin design for portable carrying, easy operation for convenient test
• Large TFT screen to display the test result clearly
• Measure FVC, PEF, FEV1 etc. parameters synchronously
• Support diagnosis evidence by volume and flow rate chart display
• With precise, credible test result and good consistency
• Built-in predicted value, display the test current condition by red, yellow and green bar
• Provide repeated measure and memorize the correlative data
• Communication with the computer with the USB (or Bluetooth), which can calculate data, analyse trend and export (Software is NOT compatible with Window XP 64 Bit, Windows 7 64 Bit and Windows 8.)
• Built-in lithium battery, battery power display
• Automatic power-off when there is no operation in one minute.