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Feature

🎄Sensitive, reliable and easy to operate; Ideal product for indoor air quality detection.
🎄Three color light for different concentration level indication, see following description for details.
🎄Compact and lightweight(0.22lb) and can be taken on the go; Powered by 2 pieces of AA(LR6) batteries which were not included in package.
🎄Need calibrate before use, after 120 seconds countdown, put this detector in fresh air for at least 8 minutes, then keep pressing the switch button until the green light twinkling which means calibration is finished, ready for detection.
🎄Please Noted: 2 AA batteries not included in package due to international transportation, sensor may be affected by external distubance like all precision apparatuses, such as ethanol,alcohol, perfume, H2S, CO, SO2 and Smoke, please keep in mind of this when detecting.

Description

Specification:

🎄Model type: B03

🎄Test item: HCHO(Formaldehyde), TVOC

🎄Product Dimension: 18.5 (Length) x 1 (Diameter)(Inch)

🎄Operation Temperature:-10-45,Storage Temperature: -20-50

🎄Test Range:HCHO: 0-3.888 mg/m3 ,TVOC: 0-9.999 mg/m3

Q/A

Q: Why battery not included in package, It's not worth money.

A: Actually, we are not think about reducing our cost for not including the batteries, the main reason is we need transport our products to AMAZON warehouse from our country, as we all know, international transport of battery is inconvenience. I n addition, the AA battery is cheap and you can get it anywhere very convenient, we suggest you to purchase the rechargeable type battery for saving money and protect our environment.

Please be noted:

>> Read the user manual before use.

>> Do calibration before detection, turn on the detector, 120 seconds countdown starts for pre-heating, when countdown finished, put it in fresh air for at least 8 minutes, then keep pressing the switch button till the green light twinkling, calibration is finished and ready for use. Normally, we do not need calibrate it for every time use, however, it is better to calibrate it before using each time for accurate result.

>> If the item is in low battery, the data may be inaccurate, please make sure enough power in battery.

Package included:

1 x Air Quality Detector Pen

1 x User Manual