1、Multi Functions: Air detector is used to monitor CO, CO2, temperature, humidity,atmospheric pressure and altitude with real time monitoring, and give early warning of exceeding the standard. 2、High Performance: The detector has intelligent alarm system, gas identification technology, multiple anti interference functions, air convection technology and greenhouse compensation calibration. 3、Fast Detection and Accurate Value: Equipped with high performance chips, the detector can accurately obtain the weak current generated in the electrochemical process and accurately calculate the measurement results. 4、Real Time Monitoring: Carbon dioxide detection can be refreshed once a second, which can quickly measure and obtain relatively stable measurement values. The large screen displays clear measurement results. 5、Extensive Applications: Air quality detectors are widely used in agricultural planting, greenhouse vegetables, production warehouses, material processing, etc. Item Type: Air Quality Monitor Material: ABS Weight: Approx. 430g/15.17oz Voltage: 5V Current: 2A Memory Card Type: Micro storage card Memory Card Capacity: 128MB CO2 Measurement Range: 400-5000PPM Resolution: 1PPM CO2 Measurement Accuracy: ± 50ppm or ± 5% of reading CO Measurement Range: 0-1000PPM Resolution: 1PPM CO Measurement Accuracy: ± 10ppm or ± 5% of reading Temperature Measurement Range: - 10 ℃ - 60 ℃, ± 2 ℃ Humidity Measurement Range: 5% - 95%, ± 5% Atmospheric Pressure Range: 300-1100hPa Relative Accuracy (950-1050hPa at 25 ℃): ± 0.12hPa Absolute Progress (950-1050hPa at 0-40 ℃): ± 1hPa Altitude:+9000/- 500m (above/below sea level) Sound Level: 85db (3M) Operating Temperature: 0 ℃ - 50 ℃ Operating Humidity: 0-95% (non condensing) 1 x Air Quality Monitor 1 x Power Cord 1 x Base Bracket 1 x Waist Bracket 1 x Instruction 1 x Storage Bag