Contec SP70B Handheld Spirometer

Features

• Personal information setup, including height, age, gender, etc.
• Liquid Crystal Display
• Health status indication.
• Bluetooth transmission.
• Data memory and case review function.
• Low battery indication.
• Real-time clock display and setup.
• Automatic power off function.
• Working current: 80 mA
• Power supply: two AAA batteries
• Stores Up to 9999 Cases.
• FVC,FEV1,FEV1/FVC and PEF can Be Measured.