For all orders exceeding a value of 100USD shipping is offered for free.

Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.

Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.

Temperature, and Humidity with clock and record function. As a scientific air quality detection device, it combines multiple air sensors with a built-in fan to allow real-time monitoring of formaldehyde (HCHO),

Indoor air Haze Dust PM2.5 HCHO quality meter monitor tester TVOC control systems Real Time analyzer car gas detector inspection

This product is a multifunctional air quality detector that detects Formaldehyde (HCHO), Total Volatile Organic Compounds (TVOC), Particulate Matter 2.5 micron-sized particles (PM2.5/1.0/10),

total volatile organic compounds (TVOC), PM2.5/1.0/10, temperature, and humidity on its digital display.

If you have any questions, please contact me and wish you a happy life.