• It accurately assesses temperature in Celsius, humidity level, and multiple measures of air quality including concentrations of formaldehyde, total natural & synthetic volatile organic compounds causing most odors (TVOC), and fine particulate dust matter (PM2.5/PM1.0/PM10), etc
• It can help monitor air quality at home, in the car, and in hotel rooms
• Information is displayed on a clear 2.8'' color LCD display
• By measuring particulate pollution, an air pollution monitor can also help you know when asthma may worsen and when to change your home’s air filter

Specification:

• Display screen: 2.8" LCD screen, 320*240 pixels
• Detection method for PM: Laser Scattering
• Atmospheric pressure: 86Kpa-106Kpa
• Sampling time: 1.5 seconds 
• Product size: 155*87*35mm
• Detection temperature: -10℃ to 50℃;  14℉ to 122℉
• Storage temperature: -10℃ to 60℃;  14℉ to 140℉
• Relative humidity: 20% - 85%
• Concentration unit for TVOC: mg/m3
• Power source: 1200mAh Lithium battery
• Charging port: micro USB
• Concentration unit for O3: ppm