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* HCHO Measuring Range: 0~2.00mg/m³
* HCHO Display Resolution: 0.01 mg/m³
* Sensor: Common Electrochemical HCHO Sensor
* TVOC Measuring Range: 0~9.99mg/m³
* TVOC Display Resolution: 0.01 mg/m³
* Response Time: ≤60S
* Temperature Measuring Range: 10°C~50°C
* Temperature Tolerance: ±1°C
* Temperature Resolution: 1°C
* Humidity Measuring Range: 20%~95%
* Humidity Tolerance: ±5%
* Humidity Resolution: 1%
* Thermo-hygrometer Display when Out of The Measuring Range:
  Low End: LL
  High End: HH
* Working Humidity: 20%~90%RH (No Condensation) 
* Storage Condition: 0°C~25°C/20%~90%RH (No Condensation)
* Storage Temperature: -20°C~60°C
* Storage Humidity: 20%~80%
* Other Functions: 
  Time/Alarm
  Backlight Brightness Adjustment
  °C/°F Switch
* Product Net Weight: 154g