Features: 5-in-1 air quality monitor, accurately detects CO2, CO, TVOC, HCHO and AQI levels. Adopted high-precision sensor and high-performance IC, ensuring fast and reliable detection. Easy to check the real-time data on the LED screen with large digits, quickly capture the results. Built-in 850mAh lithium battery, get rid of the nuisance of cable, flexible to use and charge. Small size with light weight, perfect for home, school, office, warehouse and other environments. Specifications:Material: ABSColor: WhiteVoltage: 5VEkart: LED DisplayConcealment: CO2, CO, TVOC, HCHO, AQIBeteria: 1*3.7V 850mAh Lithium BatteryProduct Size: 120*26*63mm/4.7*1.0*2, 5inPackage List:1*Air Quality Detector1*USB Cable1*User ManualMany questions about Dropshipping services are as follows: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