It is a kind of quality air quality detector, compact size, lightweight and portable. It adopts high-accuracy semiconductor sensors, real-time detection, automatic data refresh, with multiple applications. 2.8 inch large LCD display, you can see the amount of electricity, CO2 values, HCHO values, TVOC values, temperature and humidity clearly. Widely used: agricultural planting, greenhouse vegetables, production warehouse, material processing, home interior, business offices, etc. Features: Compact size, beautiful appearance, lightweight and portable, easy to take out and carry with you. It uses high-accuracy semiconductor sensors, with stable working performance, can accurately detect the carbon dioxide value. It adopts electrochemical sensor module with stable detection performance, anti-interference ability, low consumption, and ensures long working time.2.8 inch large LCD display, you can see the amount of electricity, CO2 values, HCHO values, TVOC values, temperature and humidity clearly. Real-time detection, automatic data refresh, with reusable function. It adopts air convection, which provides more accurate detection results. Equipped with an air quality level division function, the 4 different colors correspond to the different air quality levels, allowing you to know the current air conditions more accurately and graphically. The product does not need to be calibrated, can be tested after commissioning, and can accurately detect carbon dioxide. The multiple vents reserved on the housing not only accelerate the convection between the air and the machine, thereby realizing effective detection, but also provide a delicate heat dissipation effect. Widely used: agricultural planting, greenhouse vegetables, production warehouse, material processing, home interior, business offices, etc. Specifications:Name: air quality detectorMaterial: ABS+PCB Material: 1*built-in lithium battery, 4.7V, 1200mAh(Included)Display: 2.8inch code-breaking LCD screen with backlight CO2 measurement ranges: 400ppm-5000ppmTemperature measurement ranges: 1°C to 70°C Product size: 107*92*46mm/4.21*3.62*1.81inProduct weight: 100g/3.53ouncePackage size: 145*125*55mm/5.71*4.92*2, 17in Package weight: 200g/7.05ounce Packing List:1 * Air Quality Detector1 * Cable1 * GuidelineMany questions about Dropshipping services are following:1. How many orders can you handle per day? We are a large company in Shenzhen, China, with a large warehouse that can handle large orders every day. We ship countless packages every day. We can guarantee the order you request.2. How fast can you process orders? We will arrange the shipment as soon as possible after you pay for your order. Priority delivery for dropshipping order3. Can you ship an order without any receipts, invoices and promotional offer inside the package? Absolutely! No invoices, receipts, promotional offer if you leave notes on the order (if you want, we can deliver.)4. If you need other products? We can supply most of the products you need as much as possible1If you have any other questions, please feel free to . We are very grateful for your cooperation with you.5. We can support Dropshipping of CSV/Excel files.6. There is no limited inventory to fulfill orders on a daily basis