It is a measurement device using USB port to connect to a computer.<br />This USB thermometer has two sensors、 one is inside and another is extended outside by a cable. The two sensors can test temperature at a same time and the outer sensor is protected from water.<br />It can measure the temperature of the machine and the environment accurately. It must be connect to the computer to start working.<br />Support Email、 Skype remote data view、 Support data recorder、 curve analysis and alarm.<br />You can output temperature to Excel or other text files by using NUMLOCK and Capslock on keyboard. This function support DOS and Windows.<br /><br />Name: USB Thermometer <br />Color: silver <br />Material: metal <br />Size: about 62 x 16 x 11 mm <br />Package size: 120 x 100 x 25 mm <br />Parameters: <br />Indicator light: red <br />Unit: Celsius <br />Measurement range: -40 to +125 degrees Celsius <br />Text/File format: TXT <br /><br />Operating instructions: <br />1. Caps Lock and Num Lock: 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、 text 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 curve in excel format. <br />2. E-mail: <br /><br />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. <br />Functions: <br />1. When early warning started、 it can send email to specified mail box automatically if you touch alarm. <br />2. Can set time. IT can send email to specified mail box at intervals. (Advisable) <br />3. You can set it to send emails to specified mail box.(not advisable) <br />Application range: indoor and outdoor temperature detection、 machine room and storeroom environment monitoring、 superstore、 drugstore air condition temperature control and monitor、 farm、 vegetable greenhouse temperature monitor、 surface temperature of products and accessories etc. <br /><br />Probe function: when testing temperature、 use USB extension cable. Insert 3.5mm plug of probe cable into USB therometer port. Put the probe in device context yoou need to test and sense automatically. <br /><br />Packaging Contents: <br />1 x USB Thermometer <br />1 x Probe <br />1 x CD