Description Portable carbon dioxide detector adopts air semiconductor sensor with stable performance and high detection accuracy. It supports connection to the mobile APP via BT, you can view the data within 60 days. Large-screen LCD digital display, real-time monitoring, great for home, office, school, warehouse, agricultural planting, etc. Features: Multifunctional air quality detector, real-time monitoring of CO2 concentration, HCHO value, TVOC value, temperature and relative humidity in the air. Using air semiconductor sensor, plus high-performance chip, detection is more accurate, higher precision, and the accuracy can reach 1PPM. Support to connect to the mobile APP via BT, you can read up to 1440 sets of data for 60 days, compatible with iOS and Android systems. With multiple ventilation holes, which accelerate the convection beyween the air and the detector, to achieve effective detection and provide a good heat diipation effect. Equipped with 1500mAh high-capacity rechargeable battery, environmental protection, long battery life, no need to replace the battery frequently. Lightweight and portable, it is suitable for home, office, school, warehouse, agricultural planting, etc. No need to calibrate at startup, automatic monitoring. Specifications: Model: 5 in 1/ 3 in 1(optional) Color: Black/ White(optional) Detection Range: 400-6000PPM, 5010%PPM Detection Accuracy: 1PPM Battery: Built-in 1500mAh Lithium Battery Current: 160mA Power: 0.6W Item Size: 89 * 70 * 35mm/ 3.5 * 2.8 * 1.4in Item Weight: 142g/ 5.0oz Package Size: 141 * 98 * 48mm/ 5.6 * 3.9 * 1.9in Package Weight: 210g/ 7.4oz Packing List: 1 * CO2 Meter 1 * USB Cable 1 * Manual Many 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 everyday.We send out countle parcels everyday.We can guarantee the order you request. 2.How fast can you proce orders We will arrange shipment as soon as poible after you pay the order.Priority delivery for dropshipping order 3.Could you ship 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 provide.) 4.If you need other products We can provide most products you need as much as poible1 If you have any other questions,please feel free to contact us. We are very grateful to cooperate with you. 5.We can support CSV/Excel File Dropshipping. 6.There is no limited stock to fulfill the orders on a daily basi