<b>Feature:</b><p> 1. The carbon dioxide detector monitors and displays the concentration of carbon dioxide per cubic meter in real time.</p><p> 2. It has a wide range of applications and can be used in offices, homes, gymnasiums and other places.</p><p> 3. This portable air quality detector supports smart color screen display, clear numbers, easy to identify and read.</p><p> 4. It can detect and display the temperature and humidity of the environment to help users understand the environment in time.</p><p> 5. CO2 detection range is 400‑6000PPM; TVOC detection range is 0‑2.0mg/m³, HCHO detection range is 0‑0.6mg/m³.</p><p> <b> How to Use:</b></p><p> 1. Long press the right switch.</p><p> 2. You can see the monitoring data after the screen is turned on.</p><p> <b> Specification:</b></p><p> Item Type: Air Quality Detector Material: ABS</p><p> Size: Approx. 9x7x3.5cm / 3.5x2.8x1.4in</p><p> Weight: Approx. 168g/5.9oz</p><p> Current: 500mA</p><p> Battery: A Polymer Lithium Battery 18650 3.7V 1500mAh (Not Included)</p><p> CO2 Detection Range: 400-6000PPM</p><p> CO2 Detection Accuracy: 1PPM</p><p> TVOC Detection Range: 0-2.0mg/m³</p><p> HCHO Detection Range: 0-0.6mg/m³</p><p> Temperature Measurement Range: -10-50℃</p><p> Temperature Measurement Accuracy: ±2℃</p><p> Humidity Detection Range: 0%-99%RH</p><p> Humidity Detection Accuracy: ±3%RH With Function </p><p> <b> Package List:</b></p><p> 1 x Air Detector</p><p> 1 x Manual</p><p> 1 x USB Data Cable</p><p>