Air Quality Monitor CO2 Detector 3 in 1 Accurate Tester for CO2 Temperature Humidity NDIR Sensor Carbon Dioxide Meter Concentration Tester with Alarm

Features:
3 in 1 air quality monitor, accurately detect the level of CO2, Temperature and Humidity.
Adopted high precision infrared sensor and high-performance chip, providing fast and reliable detection.
Easy to check the real-time data on the colorful LED display with large digits, fast capturing the results.
4 flashing indicator levels demonstrate different CO2 concentration, the alarm will be given out when value exceeding 1000PPM.
Built-in 2000mAh large capacity lithium battery, get rid of cable annoyance, flexible to use and charge.
Palm size with lightweight, perfect for home, school, office, hotel, warehouse and other environments.