Advantages provide:

PM2.5 Sensor Japan Kamei PPD42NJ Infrared

PM2.5 sensor Japan Sharp GP2Y1014AUOF (original model: 1010AUOF) infrared

Air quality sensor Japan FIS SP3S-AQ2-01 (original model: QS-01) semiconductor

Humidity sensor Kamei C15-M53R (original model: C10-M53R)

Carbon monoxide sensor Japan FIS SB-500-12

Methane sensor Japan FIS SB-12A-99

Carbon Dioxide Sensor American Shengmi PCL0 A5K-WT Single Channel, Miniaturized

Carbon dioxide sensor Japan Nisera CO2-4k-3M-P dual channel