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 Golden USB adapter, good-looking and high quality. Temperature measurement range: -55 to and125 degrees Celsius or -67 to and257 degrees Fahrenheit. Application range: indoor and outdoor temperature detection, machine room and storeroom environment monitoring, superstore, 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 and tend to form curve in excel . 2. Temperature display frame: Shows current temperature in software interface on top left corner. 3. Curve display: There are 2 curves: Line and Current Line. Users can watch temperature. Current line shows change of temperature. Curve trend reacts current temperature. 4. Daily record: It records current temperature and saves in relevant files automatically. 5. : After user logs in, your can operate according to relevant prompt and achieves temperature data. When your friend sends "1" according to prompt, it means 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 or SMTP or other server port. 2 receiving emails can be filled in. Package Includes:1 x Thermometer Note:Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is 1-3cm.