HT 402 Formaldehyde detector

Quantity: >500 pcs
Sale price$39.00
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This product is lightweight, you can carry no matter where you go and know the air quality anytime.


Range: 0~3mg/m
Resolution: 0.001mg/m
Accuracy: + 10% or 0.02mg/m
Automatic shutdown: 30 minutes.
Use time: about 7 hours.
Charging time: about 3.5 hours.
Working temperature: -10 degree C~40 degree C
Working humidity: 20~90%RH
Power supply: built in 3.6V lithium battery
Size: 74mm * 71mm * 27mm
Weight: 60g

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