PM2.5 Air Quality Detector: comprehensive monitoring of PM1.0, PM2.5 and PM10 particles with +/-1 ug/m3 accuracy. The ultra-high-definition color display shows real-time readings for intuitive understanding of your environment. The green indicator shows safe values; the yellow indicator activates at 36 ug/m3, with cycle alarms every 10 minutes for timely warnings. Temperature and humidity sensing: monitors ambient temperature from -20 C to 60 C and humidity from 0-95% RH, providing complete environmental data to help maintain comfortable and healthy indoor conditions year-round. Portable and user-friendly design: size 85 x 51 x 17 mm and lightweight, combining aesthetics with functionality. Includes an anti-loss lanyard for easy carrying, so you can check air quality anywhere. Its compact size fits easily in pockets or bags, ideal for home, office, or travel. Reliable battery life: 1000 mAh battery supports extended monitoring. USB Type-C charging adds convenience. 35-second warm-up and data updates every 2 seconds keep you up to date with current, accurate air quality. Use scenarios: - Home: monitor living room, bedroom, or nursery to maintain safe PM levels and comfortable humidity. - Office: desktop or conference-room monitoring for a healthier work environment. - Travel: carry in your bag for hotel rooms, airports, or car journeys with on-the-go air quality checks.