Peak Flow Meter, no Bluetooth, for adults and children to monitor lung function, LCD, digital spirometer for asthma, COPD, PEF & FEV1, risk indicator, diary form.

["𝐇𝐨𝐜𝐡𝐞 𝐆𝐞𝐧𝐚𝐮𝐢𝐠𝐤𝐞𝐢𝐭: The electronic Spirometer uses differential pressure sensors and can measure two parameters PEF and FEV1. By measuring the airflow from the bronchi of the lungs and reflecting the degree of airway obstruction. 𝐀𝐜𝐡𝐭𝐮𝐧𝐠: Keep Breathing! Cannot connect with APP. You can only manually record the data in the APP!","𝐃𝐫𝐞𝐢𝐟𝐚𝐫𝐛𝐢𝐠𝐞𝐫 𝐑𝐢𝐬𝐢𝐤𝐨𝐚𝐧𝐳𝐞𝐢𝐠𝐞: This Peak Flow Meter comes with an LCD display, so the values are clearly visible. Set a preset value before use, and each test will display the status of your lung function with a risk symbol in red, yellow, green areas. 𝐇𝐢𝐧𝐰𝐞𝐢𝐬: Without preset value, without risk indicator!","𝐓𝐚𝐬𝐜𝐡𝐞𝐧𝐬𝐩𝐢𝐫𝐨𝐦𝐞𝐭𝐞𝐫 𝐦𝐢𝐭 𝐥𝐚𝐧𝐠𝐞𝐫 𝐋𝐞𝐛𝐞𝐧𝐬𝐝𝐚𝐮𝐞𝐫: This test device is powered by 2 AAA batteries and allows daily use for up to one year. Thanks to its compact design, it can be conveniently carried in your pocket and monitor lung function anytime, anywhere. Easy to clean and disinfect.","𝐏𝐚𝐩𝐢𝐞𝐫 𝐓𝐚𝐠𝐞𝐛𝐮𝐜𝐡 𝐅𝐨𝐫𝐦𝐮𝐥𝐚𝐫: The provided paper diary form can help you compare historical data more intuitively, and also download the app for manual recording. Suitable for COPD, smokers, athletes, as well as adults and children aged 4 and above.","𝐖𝐚𝐫𝐦𝐞 𝐓𝐢𝐩𝐩𝐬: You can test in the same position and at the same time. Test 3 times a day, each time with 3 data sets, and record the maximum value. We provide professional after-sales service and will solve your problem within 24 hours."]