METEO SP88A WEATHER STATION Indoor temperature measurement Indoor humidity measurement CO2 concentration measurement TVOC measurement Comfort indicator - air quality Battery charge indicator METEO + ASSISTANCE PROGRAM We care from the first days. Our common adventure does not end with the purchase of the station. This is just the beginning. Each of our stations is covered by the METEO + Assistance program, created out of care for the needs of our customers. We support the daily use of our products through a comprehensive and friendly warranty system that never leaves you wanting. CHECK WHAT IS THE AIR IN YOUR HOME The device signals the air quality status (TVOC measurement) through a smiley (comfort indicator) on the display: Very good (0-1,000 mg/m3) Good (1,001-2,000 mg/m3) Normal (2,001-3,000 mg/m3) Poor (3,001-4,000 mg/m3) Very poor (4,001-mg/m3) TAKE CARE OF YOUR WELL-BEING In the natural environment, the concentration of CO2 in the air usually does not exceed 400 ppm (0.04%) by volume and this concentration is the most beneficial for a breathing human. With indoor CO2 concentrations as reaches 1,400 ppm, our basic decision-making powers can be reduced by up to 25%. SPECIFICATION DIMENSIONS: Height 8.2 cm Width 8.2 cm Depth 2.4 cm POWER: built-in battery usb charging cable