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Application Scope At home, office, cab, etc. Product Specifications Name: Air quality detector Display mode: LCD screen Battery voltage: 3.7 VDC Overall dimension: 260*139*33 mm Output voltage: DC5 V Output current: 0.5-1 A Operating environment Temperature range: 0-50 ℃ Humidity range: 0-90% RH Atmospheric pressure condition:1 atm Measurement index and range PM2.5 measurement: range: 0-999 ug/m³, resolution: 0.1 ug/m³ PM10 measurement: range: 0-999 ug/m³, resolution: 0.1 ug/m³ CO2 measurement: range: 0-5000 ppm, resolution: 1 ppm