This air detector can help you check the air condition, which is a nice helper for household detection, greenhouse planting, CO2 detection in warehouse, etc.<br><br>Features:<br><br>Compact size and light weight, portable and convenient to use and carry.<br><br>Equipped with quality temperature sensor and humidity sensor for quick and accurate detections.<br><br>The 2.8-inch LCD screen with backlight can clearly display the current values of CO2, temperature and humidity. The colored circle will change according to the current CO2 value. <br><br>Easy to operate, no need to calibrate after starting up, it can work and detect automatically. <br><br>Support 240~360 minutes long standby time. <br><br>Widely Applied to household use, educational institutions, agricultural cultivation, greenhouse planting, warehouse operation, material processing, etc. <br><br>Specifications:<br><br>Color: White / Black (Optional)<br><br>Charging: USB Type-C Interface<br><br>CO2 Detection Range: 400~5000PPM <br><br>CO2 Detection Sensitivity: 1PPM<br><br>Applicable Temperature: -1~+70<br><br>Package Size: 140*125*42mm / 5.5*4.9*1.7in<br><br>Package Weight: 165g / 5.8oz<br><br>Packing List:<br><br>1 * Air Detector <br><br>1 * USB Cable<br><br>1 * Users Manual (English)