carbon dioxide gas sensor for conference rooms

{"cid":"91211450","title":"ACO2000 Carbon Dioxide Gas Sensor Monitor For Conference Rooms Greenhouses","imgUrl":"https:\/\/img.ismap.com\/nimg\/6d\/8d\/b1a7b67567ff8b9055c7e2f049b2-200x200-1.jpg","attrs":{"Price":"Negotiable","Model Number":"ACO2000","Minimum Order Quantity":"1PCS","Delivery Time":"5-8 work days","Place of Origin":"CN","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"5000PCS","Packaging Details":"Standard packaging","Measuring Range":"0 - 2000ppm CO\u2082","Repeatability":"\u00b120ppm + \u00b11% of the reading","Power Consumption":"<1W","Operating Temperature":"0 - 50\u2103","Storage Temperature":"- 40 - 70\u2103","Pre - heating Time":"\u22643 minutes"}}

{"cid":"91188394","title":"Infrared CO2 Gas Sensor Module Carbon Dioxide Sensor Module","imgUrl":"https:\/\/img.ismap.com\/nimg\/74\/0e\/811af43135bda923dbd1f9ddbd05-200x200-1.jpg","attrs":{"Brand Name":"Kacise","Model Number":"KCS551","Minimum Order Quantity":"1","Delivery Time":"5 work days","Place of Origin":"shanxi xi'an","Payment Terms":"T\/T, Western Union, MoneyGram","Supply Ability":"1000 Pieces per Week","Packaging Details":"each unit has indicidual box and all boxes are packed in standard packages or customers requests available","Storage Temperature":"-20-80\u2103","Operating Temperature":"-20-60\u2103","Operating Humidity":"0-90%RH","Work Pressure":"0.8-1.2 atm","Supply Voltage":"12V","Maximum Operating Current":"100-150mA","T90":"5S","Repeatability of Zero":"<\u00b150 ppm","Repeatability of 50% FS":"<\u00b15% of the measured value","Life Span":"10 year"}}