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This new concept outdoor laser particle sensor use light scattering technology with much longer optical path then all other similar sensor on the market. This new concept incorporate a smart heater to eliminate all excess humidity allowing accurate measurement even at 100% RH. Equipped with 3G,4G,LTE modem for remote access via internet for only a few dollars per year. Internal memory provide years  of data at 1 minute interval when no cellular network is available. Provide TSP, PM10 , PM2.5 and PM1 data. Outdoor Temperature and Humidity, Internal Temperature and Humidity and GPS Location. 12 VDC outdoor AC adapter included. Can be used with solar panel. Can also be used with any 12 VDC batteries for short term application.