Welcome to our store! 1、Material: High-quality air quality detector, featuring a premium electrochemical detection module for excellent accuracy. 2、Stable Performance: Strong anti-interference capability, low power consumption, and long service life. 3、Intelligent Carbon Dioxide Tester: Gas analysis utilizes an air semiconductor TVOC sensor, and the air quality meter monitors temperature and humidity. 4、No Calibration Required: Tests upon power-on for accurate carbon dioxide detection. 5、Accurate: Precise carbon dioxide detection with a large screen display showing CO2, temperature, and humidity. Item Type: CO2 Meter Material: ABS Model: ZN-2CO16 Battery: 3.7V 1500mAh Lithium Battery (built-in) Application: Ambient gas quality detection CO2 Test Range: 400-6000 PPM ±50 ±5% PPM CO2 Test Accuracy: 1 PPM TVOC Test Range: 0-2.0 mg/m³ HCHO Test Range: 0-0.6 mg/m³ Temperature Test Range: -10~50 ℃ Temperature Test Accuracy: ±2 ℃ Humidity Test Range: 0%~99% RH Humidity Test Accuracy: ±3% RH 1 x Detector 1 x USB Data Cable 1 x User Manual If you encounter any product issues after receiving the goods, such as damage or incorrect quantity, please contact the seller immediately. We will do our best to provide you with satisfactory customer service.