Fangrui Product Details 1. Haze Dust Air Quality Temperature Humidity Detector 2. Detection Range: 0-1000ugm3 3. Working Voltage: 3.7v 4. Preheating Time: 35s 5. Data Refresh Frequency: 2s 6. Working Humidity: 0~rh 7. Working Temperature: -20-60 Degrees Celsius 8. Charging Method: Type-c Interface 9. Ultra-high-definition Color Screen, Equipped With High-precision Sensors, Real-time Monitoring Of Pm1.0, Pm2.5, Pm10 Is More Accurate, And Reading Is More Intuitive And Convenient 10. 0 Seconds Real-time Detection, Intelligent Alarm, When The Value Reaches 36ugm3, A Beeping Sound Cycle Alarm Will Start, Once Every 10 Minutes 11. Built-in Air Quality Detection High-performance Chip To Ensure More Accurate Instrument Detection 12. Adopt High-bit Point Sensor Core To Accurately Detect Environmental Data 13. Adopt Upgraded Ammorc Algorithm, The Power-on Test Only Takes 1-2min For The Numbers To Stabilize, Which Can Effectively Reduce Data Fluctuations And Monitor More Stable And Faster 14. Quickly Detect Whether Pm1.0, Pm2.5, And Pm10 Exceed The Standard 15. High-precision Sensors Accurately Identify And Capture Different Pollutants In The Gas, Special Patents, Reduce Interference And Compensate For Each Other, And Ensure The Accuracy Of Various Indicators 16. 3d Multi-hole Air Duct Design, Improve Air Volume Penetration Rate, Accurately Calculate The Content Of Tiny Particles 17. Close To The Multi-faceted Openings Of The Sensor, Real-time Air Circulation Convection Monitoring Is More Accurate 18. Not Only Can It Test Pm1.0, Pm2.5, And Pm10 In New House Decoration, But It Can Also Test The Temperature And Humidity In The Room Air. It Can Be Used As A Thermometer And Hygrometer At Ordinary Times 19. High-performance Battery 703040, 1000mah Large-capacity Polymer Lithium Battery, Safe And Durable, With Ultra-long Battery Life 20. Widely Used In Various Indoor And Outdoor Places, Indoor Furniture, Inferior Furniture, Catering, Car, Home, Can Effectively Avoid Pm Harm To The Body And Other Acc