PTH-9C Gas Detector Infrared Carbon Dioxide Detector Temperature And Humidity Meter

1. Temperature, humidity, carbon dioxide concentration values2. Three levels of carbon dioxide concentration detection, normal (1-700PPM), warning (700-1500PPM), dangerous (1500-5000PPM)3. Applicable to a variety of scenarios, real-time monitoring, in the car, public places, offices, bedrooms4. Easily grasp the current environmental carbon dioxide concentration value5. Temperature/humidity dual detection, cold, warm, dry and wet, clear at a glance6. Audible alarm, alarm bell + indicator light7. Back hook, easily fixed in the air8. The USB port on the back can be used for multiple charging9. Three ventilation holes, which can dissipate heat and sense10. Measuring range: 40 square meters11. Temperature range: -10 to 40 degrees Celsius12. Battery capacity: 2400mah13. Power supply mode: TYPE-C/USB-C charging/built-in lithium battery14. Charging voltage: 5V/1A15. Dimensions: 98 x 90 x 40mm