Features: 1.Log Function: It can record real time temperature and humidity data and automatically save it in related files. 2.Temperature And Humidity Measurement Display: The temperature and humidity are detected by an external probe and displayed on the software interface. The external probe has a waterproof function. 3.Warning Setting: Set the warning temperature and humidity, and start the function. When the temperature and humidity attain the upper limit, the warning sound will play; then when the temperature and humidity drop to the lower limit, the warning sound will stop. 4.Curve Display: The real time temperature and humidity are converted into curves, and the monitoring is more clear and clear. 5.Applicability: It can be used for indoor and outdoor temperature and humidity detection, environmental monitoring of computer room warehouses, temperature and humidity monitoring of various large shopping malls, pharmacies, farms, vegetable greenhouses, etc. specification:Item Type: USB Computer Temperature Hygrometer Material: ABS Probe : 4pin Probe Length: Approx.30mm / 1.2in Line Length: Approx.1m / 1.1yd Measuring Range: Temperature -40~+85, Humidity 0~100%RH Temperature Resolution: 0.01 Temperature Accuracy: 0.4 Humidity Resolution: 0.025RH% Humidity Accuracy: 3 RH%(0RH%~80RH%) Compatible System: for Windows PackageList: 1 x Thermometer 1 x Dust Hat 1 x Probe 1 x Disk Drive