2.8'' Multifunctional Digital Car PM2.5 Air Quality Detector Monitor AQI Home Air Monitor Features: 2.8" TFT screen, colorization display, wide angle vision up to 180°. High sensitivity sensor ensures the high accuracy in data collections. Multipurpose in air quality detection in PM1.0, PM10.0, PM2.5, AQI, temperature, humidity, particulate matter. Power supply in DC 5V universal, USB socket, car charger, power bank, etc. Suitable for home, office, car and  outdoors. Specifications: Material: Acrylic Case + Electronic Components Size: Approx. 8.5 x 6.5cm / 3.34 x 2.55inch Power Supply: DC 5V Screen: 2.8inch TFT Weight: Approx. 231g Package Included: 1 x PM2.5 Air Quality Detector 1 x USB Cable Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.