KL008A is a cost-effective 8 in 1 gas transmitter for air quality monitoring that can detect the following items with real-time measurement values : 1. Formaldehyde; 2. PM2.5; 3. Organic volatiles; 4. Carbon dioxide; 5. Temperature; 6. Humidity; 7. PM1.0; 8. Pm10; 9. Ozone. It is featured by its compact design, complete functions and rich interfaces.