[EASY TO SET UP]: At the first time using, the formaldehyde detector will take you just 30 - 60 minutes to calibrate the data. After that, it can be used directly everytime when you turn it on. No need any calibration again.
[AIR QUALITY GUARDIAN]: If you worried about the air quality around you or your children, please choose GEARDON air quality monitor. It will remind you how is the quality level in the real-time.
[HIGH SENSITIVITY SENSOR]: Built in PM 2.5 laser sensor and electrochemical sensor, it has high accurate testing. It's more precise than the general models in the market now. GEARDON air quality detector will focus on keeping the air quality of your home within safe level.
[MULTI TESTERS]: It is available for different kinds of data including PM2.5/HCHO/TVOC/AQI/PM1.0/PM10/TEMP/HUM, to ensure the health of your family in all domains.
[Troubleshooting Steps]: 1.At the first time using ,please turn on the unit and stay it outside with fresh air for around 30 minutes, then you can use it directly.2. If the readings still in high level or inaccurate, please use hcho skewing function to reset it.3. After the two step above,if the readings still inaccurate, please contact our customer service and we will have professional technician to follow.