Multi Functional Air Quality Detector Portable CO2 Temperature Humidity Monitor Black

Feature: 1. Multifunctional, it can detect CO2, temperature, humidity, and you can view the data you need. Small size, easy to carry, can be carried with you. 2. It has an intelligent alarm system, ga?s recognition algorithm, multiple anti?interference, air convection technology and greenhouse compensation calibration. 3. Wide range of practical applications, suitable for agricultural planting, greenhouse vegetables, production warehouses, radium material processing, etc. 4. Large screen design, real?time monitoring, clear digital display, clear test results, the fastest detection and accurate values. 5. The high?performance chip can accurately catch the weak current generated during the electrochemical reactions and accurately calculate the measurement result. 6. The carbon dioxide detection can be refreshed once every second, and the measurement can be performed quickly and relatively stable measurement values can be obtained. Specification: Item Type: Air Quality Detector Material: ABS Color: Black Size: Approx. 8.1x8.1x3.2cm / 3.2x3.2x1.3in Weight: Approx.198g/7oz Voltage: 5V Current: 500mA CO2 Detection Range: 400-5000 PPM CO2 Detection Sensitivity: 1PPM Temperature Measurement Range: -10-70 celsius Temperature Measurement Accuracy: +/-1 celsius Humidity Measurement Range: 0percent -99percent RH Humidity Measurement Accuracy: +/-2percent RH Battery: 18650 polymer lithium battery 2400mAh(Built-in) How to use: 1. Open the bracket 2. Long press A to turn on/off 3. Short press A to switch celsius / Fahrenheit 4. Short press B to turn on/off the backlight . Package List: 1 x Air Quality Detector1 x USB Cable1 x Instruction Manual Note: 1. Please allow 1‑2in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.