Specification Brand : Irfora BulletPoint1 : Air Quality Monitor: There are 2 models for option. TC-8100 features 3 channels to detect the number of 0.3um, 2.5um particle size dust, the concentration of PM2.5 and PM10, AQI Grade, temperature and humidity. TC-8200 features 6 channels to detect the number of 0.3um, 0.5um, 1.0um, 2.5um, 5.0um, 10um particle size dust, the concentration of PM2.5 and PM10, and it can detect the class of Class 100 room and below room, temperature, humidity and AQI Grade. BulletPoint2 : 3.2" TFT Color Screen & Comfortable Buttons: Large color screen with backlight can enhance reading experience, and the brightness can be easily adjusted. It also display real-time date and time. ℃/ ℉ switchable. Auto shutdown to save battery, more power-saving. With comfortable operating buttons, easy to use. BulletPoint3 : Data Record, Curve Graph & PM2.5 Alarm: It has 999 groups of data records, and you can view the data curve conveniently by pressing the graph button once. With PM2.5 alarm function, turn on/ off alarm buzzer and set the alarm value easily. BulletPoint4 : Dual Power Supply: Reable lithium battery or USB cable powered. Built in 2200mAh lithium battery, has about 9 hours long working time, easy to be d via USB interface. And the battery cover is easy to be removed and installed, making it convenient to replace lithium battery. BulletPoint5 : Tripod Support & Wide Application: Comes with a tripod for supporting, more convenient to use. Applied to room inspection; industrial production of electronics, optics, chemicals, food, medicine and health, biological products, aerospace, etc.; filter seal inspection; particle pollution source detection. Color : Grey & Red Hazmat1 : LITHIUM ION BATTERIES CONTAINED IN EQUIPMENT Hazmat10 : CN_SmallLithiumIonBatteryInEquipment Hazmat11 : DE_SmallLithiumIonBatteryInEquipment Hazmat12 : EG_SmallLithiumIonBatteryInEquipment Hazmat13 : ES_SmallLithiumIonBatteryInEquipment Hazmat14 : FR_SmallLithiumIonBatteryInEquipment Hazmat15 : GB_SmallLithiumIonBatteryInEquipment Hazmat16 : IN_SmallLithiumIonBatteryInEquipment Hazmat17 : IT_SmallLithiumIonBatteryInEquipment Hazmat18 : JP_SmallLithiumIonBatteryInEquipment Hazmat19 : MX_SmallLithiumIonBatteryInEquipment Hazmat2 : UN3481 Hazmat20 : NL_SmallLithiumIonBatteryInEquipment Hazmat21 : PL_SmallLithiumIonBatteryInEquipment Hazmat22 : SA_SmallLithiumIonBatteryInEquipment Hazmat23 : SE_SmallLithiumIonBatteryInEquipment Hazmat24 : SG_SmallLithiumIonBatteryInEquipment Hazmat25 : TR_SmallLithiumIonBatteryInEquipment Hazmat26 : US_SmallLithiumIonBatteryInEquipment Hazmat27 : ZA_SmallLithiumIonBatteryInEquipment Hazmat3 : II Hazmat4 : 9 Hazmat5 : AE_SmallLithiumIonBatteryInEquipment Hazmat6 : AU_SmallLithiumIonBatteryInEquipment Hazmat7 : BE_SmallLithiumIonBatteryInEquipment Hazmat8 : BR_SmallLithiumIonBatteryInEquipment Hazmat9 : CA_SmallLithiumIonBatteryInEquipment ItemName : Irfora Dust Particle Counter 6-Channel 0.3um/ 0.5μm/ 1.0μm/ 2.5μm/ 5.0μm/ 10um PM2.5 PM10 Detector with 3.2-inch Backlight TFT Color Screen Air Quality Tester Temperature Humidity Monitor Home Office ItemPackageQuantity : 1 ItemTypeKeyword : indoor-air-quality-meters Manufacturer : Irfora PartNumber : LAKUSE19281GY-R ProductDescription : Specifications: Color: Grey & Yellow/ Grey & Red (Optional) Model: TC-8100 (Grey & Yellow)/ TC-8200 (Grey & Red) Material: ABS Concentration Resolution: 1μg/m³ : 1 liter/min (2.83L=1L*2.83) Response Time: about 1s Boot Stabilization Time: about 10s Temperature Measurement: -10~60℃ , ±2℃ Accuracy, 0.01℃ Resolution Humidity Measurement: 0~100% , ±3% Accuracy; 0.01% Resolution Built-in Battery: 3.7V 2200mAh Lithium Battery Charging Voltage: 5V/ USB Item Size: 222 * 80 * 46mm / 8.74 * 3.15 * 1.81in Item Weight: 311g / 10.98oz Package Size: 26 * 21 * 8cm / 10.24 * 8.27 * 3.15in Package Weight: 738g / 1.63lbs