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1. Material: ABS 2. Size: 108x66x23.1mm 3. Battery: 3 No. 7 batteries (batteries are not included in the shipment) 4. Small and simple, easy to carry 5. Removable air inlet nozzle, easy to clean and disinfect, safe and hygienic 6. Adopts precise air volume air path design, high-precision sensor, and test results in seconds 7. High-quality ABS shell, drop-resistant and dust-proof design, stable and reliable 8. Removable battery compartment, quick battery replacement, super long battery life of 30 days 9. Easy to use, LED screen display data, simple and clear; emergency LED lighting, easy to operate in dark environments
How to use: 1. Press and hold the power button for 2 seconds to turn on. 2. Insert the mouthpiece into the reserved hole of the device. 3. Click the power button to enter the test interface, the screen displays "Wait" and a 10-second preheating countdown. 4. The screen displays "BLOW" and "beep beep" prompts, please aim at the air outlet and blow continuously and evenly for 3 seconds. 5. After the air is blown successfully, prepare to enter the data analysis state. 6. After the data analysis is completed, the results are displayed on the screen and the alarm "beep" sound is sounded according to the results.
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Guaranteed fit for device in the title. Wrong part? Full refund including shipping.
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