Die- and electroplated housing. Waterproof and sensitive sensor. Name: USB PC Thermometer;Type: Gold TEMPer;Color: silver;Material: metal ;Size: about 53 x 14 x 7 mm; USB adapter, good-looking and high . Temperature measurement range: -55 to +125 degrees Celsius/ -67 to +257 degrees Fahrenheit. Application range: indoor and outdoor temperature detection, machine room and storeroom environment monitoring, superstore, air condition temperature control and monitor, farm, vege Operating instructions: 1. It enables you to read temperature without installation of software. Only when you press Caps Lock or Num Lock or 2 simultaneously can you read temperature in excel, or word formats. When you press it for one time, the reading interval will increase 1 second. It is convenient to use and tend to form in excel . 2. Temperature display frame: Shows current temperature in software interface on top left . 3. display: There are 2 curves: and Current . Users can watch temperature. Current shows change of temperature. trend reacts current temperature. 4. Daily record: It records current temperature and saves in relevant files automatically. 5. : After logs in, your can operate according to relevant prompt and achieves temperature data. When your friend sends "1" according to prompt, it means that he has gotten temperature data. Temperature data includes: current temperature, maximum, minimum and average. 6. E-mail: Fill in relevant E-mail information and save it. Email sending request: support POP3/SMTP or other server port. 2 receiving emails can be filled in. Package Includes:1 x Thermometer Note:Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.