Llawqsm 502A1 Gas Detector, Pm2.5/Hcho/Tvoc Temperature Humidity Monitor Air Quality Analysis Tester Formaldehyde Gas Detector Analyzer Measuring(502A1)
LLAWQSM
2.8 inch LCD color liquid crystal display, 320 * 240 pixels. User adjustable alarm threshold for (O3) to alert user of elevated levels. Test variables: PM2.5/1.0/10, (O3), TVOC, temperature, humidity. Large 1200mAh capacity lithium battery, 5V USB charging and low battery warning, intelligent monitor, index and 4 interfaces switching. On-board fan to draw in ambient air for more accurate real-time results., Manufacturer: LLAWQSM
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