Rechargeable Carbon Dioxide Detector Portable LCD Digital CO2 Meter Carbon Dioxide Tester Temperature & Humidity Meter CO2/RH/Temp. 3-in-1 Air Quality Detector

Features:
2.8-inch Color TFT Screen: real time display the current CO2 concentration, temperature(℃/℉ switchable), humidity, and battery indicator.
Professional Detection Sensor: adopts with NDIR non-dispersed infrared sensor, the CO2 detector has stable performance and high accuracy.
Built-in Lithium Battery: built-in with a 3.7V 1500mAh large capacity lithium battery that can be charged with the USB power cord via power adapter, power bank or computer, very cost saving for it can be recharged.
Compact Size: lightweight yet durable for daily use, simple style and small size is easy to carry.
Automatic Calibration: during use, the tester will auto calibrate according to the CO2 concentration in the environment at regular intervals.
Wide Application: perfect for using in home, office, lab, cleanroom, greenhouse, etc.