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Simultaneously measures and displays PM2.5, PM10, air temperature, and relative humidity
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2-inch TFT color display (220 x 176 resolution)
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6-level analog color bargraph (green, yellow, orange, red, purple, maroon) for instant PM2.5 evaluation
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Data logging memory stores up to 5,000 complete data sets with date and time
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User-selectable sampling rates (30 seconds, 1 minute, 2 minutes, and 5 minutes)
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Adjustable PM2.5 alarm starting at >35 $\mu g/m^3$ with disable option
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Rechargeable 3.7V lithium-ion battery with programmable auto-power off/sleep function
