Nowadays， there is growing concern about the climate pollution all over the world. This air quality monitor can monitoring indoor PM2.5 concentration and help to take care of your family health. It can also measure the temperature and humidity simultaneously， really useful.Features:This air quality is based on the principle of laser scattering， it can detect PM2.5 concentration of your house.It can also measure the temperature and humidity simultaneously and temperature can be displayed in 2 units: ▲C or ▲F.The backlight in 3 colors: green， yellow， red which respectively represent air quality level: good， fair， bad.When PM2.5 concentration reaches bad level， the meter will automatically give an alarm.With a large capacity lithium battery， the meter can work for a long time.With a USB cable， it can be connected with PC or power supply for charging.With a removable base， the meter can be placed on the table.With a hanger， it is convenient to hang on the wall.Perfect for houses， offices or cars.Specifications:Color: WhitePM2.5 Measuring Range: 0-999g/m^3Resolution: 1g/m^3PM2.5 Level: 0-75g/m^3 Good; 75-150g/m^3 Fair; >150g/m^3 BadTemperature Measuring Range: 0-45▲C / 0-113▲FHumidity Measuring Range: 0-99%RHPower Adapter: Input: AC100-240V Output: DC5V 1ABattery: 3.7V Lithium Battery 1000mAItem Size: 12.5 * 7 * 3.5cm / 4.9 * 2.8 * 1.4inItem Weight: 178g / 6.3ozPackage Size: 25.5 * 21 * 5.5cm / 10 * 8.3 * 2.2inPackage Weight: 677g / 23.9ozPackage List:1 * Air Quality Detector1 * USB Cable1 * Power Adapter1 * Lithium Battery2 * Accessories1 * Case"
