Bestechy Portable CO2 Detector, CO2 Indoor Air Quality Monitor, 3-in-1 CO2 Monitor, Humidity & Temperature Meter, Accurate NDIR Sensor, with Alarm, for Grow Tents, Homes, Factories, Travel, Cars

Brand: Bestechy Item: CO2 Monitor Size: 3.7 x 3.9 x 2.0 Inches Product Weight: 5.3 oz Display Method: LED Screen Sampling Time: 1.5 Seconds Power Source: Rechargeable Lithium-Ion Battery Battery Capacity: 2000 mAh Charging Input: AC 100-240V, 5V Micro USB Connection Operating Temperature / Humidity: 14-122°F / 10% - 80%, Non-Condensing Storage Temperature / Humidity: 14-122°F / 10% - 80%, Non Condensing Detection Temperature: 14-122°F Product application This air quality sensor can detect CO2, temperature and humidity. The CO2 monitor adopts the most advanced high-precision NDIR sensor technology, Compare with the common sensor, it is more sensitive, accurately and stable. Air quality tester are widely used in homes, schools, offices, cars, agricultural planting rooms, hotels, travel, camping, parties, factories, hospitals, supermarkets, libraries and so on. Product Q&A Q: How to calibrate a CO2 detector? A: Calibrate outdoors or in a well-ventilated place: when the CO2 value drops to the lowest 413 state, press and hold the left button until CO2 value flashes, the flashes will stop automatically and finish calibration after flashing lasts for 5 minutes. (the CO2 device can't be turned off during calibration ) Q: How to set the CO2 level alarm value? A: ?Press the power button two times quickly. The CO2 value will start flashing. ?Press the left and right buttons to increase or decrease the CO2 alarm threshold. ?Press the power button to finish setting the CO2 alarm level. It is recommended that the CO2 alarm be set to this value 1000ppm threshold.(1000PPM or less is preferred) Q: How to turn on or off the CO2 detector alarm system? A: The CO2 alarm is set to "On" by default. Simply press and hold the right button for 3 seconds to turn the alarm on or off. Product List Air Quality Monitor*1 Micro USB charging cable*1 Product Manual*1