["Portable Air Quality Analyzer Sensor PM2.5 Gas Detector Air Temperature Humidity Sensor Monitor\n\nFeature:\n1. The laser-dust sensor can immediately capture the surrounding harmful substances, and the detection takes only 3 seconds.\n2. PM2.5 laser sensor with good consistency and high sensitivity.\n3. Super-anti-interference design, more accurate, detection signal amplification.\n4. Multi-directional air quality testing, testing anytimes, anywhere.\n5. for Always care for your family, your air management expert.\n\nSpecifications:\nDisplay mode: LED screen display\nDetection temperature: -20°-60°\nRelative temperature: 20%-85%\nStorage temperature: -200-450\nConcentration unit: ug/m3\nPowers supply mode: Lithium battery charging\nAtmospheric pressure: 86Kpa-106Kpa\nTesting items: PM2.5 temperature and humidity\nDetection principle: using the principle of laser scattering\nSampling time: 3 seconds\nBattery capacity: 3000 mAh\n\nPackage included:\n1 x Air Quality Tester"]