?This mini hygrometer allows you to measure air temperature and humidity at laboratory£¬ industrial£¬ engineering£¬ office and family£¬ etc. <br><br><strong>Features:</strong> <br>LED lights indication. <br>Selectable measuring data number. <br>Professional for measuring air temperature and humidity. <br>Selectable measure intervals: (1-24) second£¬ minute£¬ hour. <br>USB connect to the corresponding software on computer. <br>Alarm function of temperature and humidity or set alarm value. <br>21000 temperature and humidity datas can be recorded simultaneously. <br>After connection£¬ read the digits data on the computer or download the data. <br>Suitable in laboratory£¬ industrial£¬ engineering£¬ office and family using£¬ etc. <br>Measure the temperature and humidity online or offline and record them. <br><br><strong>Specifications:</strong> <br>Material: ABS <br>Color: Black <br>Temperature Measurement Range: -40~105¡ãC (-40~221¡ãF) <br>Temperature Measurement Accuracy: ¡À1¡ãC (¡À2¡ãF) <br>Temperature Display Resolution: 0.1¡ãC (0.1¡ãF) <br>Humidity Measurement Range: 0%RH~100%RH <br>Humidity Measurement Accuracy: ¡À3%RH <br>Humidity Display Resolution: 0.1%RH <br>Using Temperature: -40~105¡ãC (-40~221¡ãF) <br>Storage Temperature: -40~125¡ãC (-40~257¡ãF) <br>Analysis Software: Windows 98/2000/XP/Win7/Win8/Vista/Mac OS <br>Power Supply: 1 * 3.6V 14250 battery (not included) <br>Item Weight: Approx. 31.5g / 1.11oz <br>Item Size: Approx. 10.6 * 2.4 * 2.4cm / 4.17 * 0.94 * 0.94in <br>Package Weight: Approx. 69g / 2.44oz <br>Package Size: Approx. 18 * 11 * 3.3cm / 7.09 * 4.33 * 1.30in <br><br><strong>Package List:</strong> <br>1 * Hygrometer <br>1 * CD <br>1 * Product Tray <br>1 * Manual (English)