Want to follow what's in the air around you? Our new Air Quality Detector is here to help. It can detect the air quality in your surroundings with an accurate indoor/outdoor air quality monitoring system. Useful air quality detector with fast response and high accuracy. Effectively protect you and your family from the harm of poor air quality. Features: Highly accurate indoor and outdoor air quality monitoring system with professional grade sensing technology. Detailed analysis of the air quality in your surroundings and detect PM2.5, TVOC, HCHO, CO2, temperature and humidity. 3.5 inch TFT HD color screen with wide viewing angle, up to 160, convenient for your reading. Local real-time outdoor air quality readings, as well as indoor temperature, humidity, HCHO/TVOC and PM2.5/PM10 real-time gas monitoring to prevent any breathing illness. Suitable for use in the car, living room, home with new furniture and decor, kitchen, bedroom, office, classroom, outdoor environment, etc. Features: Model: K6-B / K6-D (Optional) Material: ABS White color Average measurement: PM2.5 & TVOC & HCHO & CO Test function: PM2.5/PM1.0/PM10, 0.3um/0.5um/1.0um/2.5um/5.0um/10um particle count, TVOC/HCHO/CO, temperature and humidity. PM2.5 Test Range: 0~6000g/m Temperature Test Range: -9~55 Humidity Test Range: 0~100% TVOC Test Range: 0.000~2.000mg/m (K6- D, K6-B) HCHO test range: 0.000~2.500mg/m (K6-D, K6-B) CO2 test range: 400~4000ppm (K6-D) Detection technique: Semi-detection technology drivers Operating temperature: -9~55 Relative humidity: