<p>&nbsp;</p> <p>Description<br>Colour: Orange, not blue.</p> <p>MULTIPLE DETECTABLE GASES &ndash; upgraded indoor air quality monitor &ndash; built in DART electrochemical sensors that detect air Carbon Dioxide (CO2), Formaldehyde (HCHO) and Total Volatile Organic Compound (TVOC).</p> <p>Readings involve detection of toluene, harmful chemical substances and pollutants in the air such as carbon dioxide, carbon monoxide, smoke, fog, dust, alcohol, glue, paint, ink and others.</p> <p>Option for mean value for each gas. Measure over long-term monitoring, <br>THE INSTANT REAL-TIME DATA CAN BE HIGHLY VARIABLE.</p> <p>1000mAh RECHARGEABLE BATTERY &ndash; and packaged with one USB cable, standby time can last for 4-6 hours. English instructions.</p> <p>- Recommend close the doors and windows; About 60 minutes for testing formaldehyde TVOC / CO2 (Just needs around 3-15 minutes for testing Cabinet, drawer etc &ndash; small spaces).</p> <p>Specifications:<br>Material: ABS<br>Battery Capacity: 1000mAh for Orange and Blue model</p> <p>Test Function: HCHO/TVOC/CO2<br>Detection Technology: Air Natural Flow Detection Technology<br>Display mode: LCD colour screen digital display<br>Error Floating: 3%-30%<br>Working Voltage: 5V<br>Start-up preheating: 120 seconds (only: formaldehyde TVOC CO2 sensor)</p> <p>Power:5W<br>Charging time: about 4-6 hours<br>Standby time: about 240-360 minutes</p> <p>Detection range:</p> <p>TVOC Test Range: 0.00 ~ 2.00 mg / m3 - (D9-B, D9-D, D9-H)<br>HCHO Test Range: 0.00 ~ 2.50 mg / m3 - (D9-D, D9-H)<br>CO2 Test Range: 400 ~ 4000 ppm (D9-H)</p> <p>And easy to read Air Quality Indication (AQI)</p> <p>Size: 148x70x30mm/5.77&times;2.73&times;1.17in</p>