Usage Tips:Die- and electroplated housing. Waterproof and sensitive sensor. Name: USB PC Thermometer; Type: Gold TEMPer; Color: Silver; Material: Metal; Size: Approximately 53 x 14 x 7 mm. Golden USB adapter, stylish and high quality. 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, supermarket, climate temperature control and monitoring, farm, vegetable greenhouse. Operating instructions: 1. Enables temperature reading without software installation. To read temperature in Excel or Word formats, press Caps Lock or Num Lock, or both simultaneously. Pressing once increases the reading interval by 1 second. Convenient for data logging and plotting temperature curves in Excel. 2. Temperature display frame: Displays current temperature in the software interface at the top left corner. 3. Curve display: Includes two curves: Line and Current Line. Users can monitor temperature changes. Current Line shows real-time temperature variation. Curve trend reflects current temperature fluctuations. 4. Daily record: Automatically records current temperature and saves data in designated files. 5. Data access: After logging in, follow on-screen prompts to retrieve temperature data. When a contact sends "1" as prompted, it confirms successful receipt of temperature data. Temperature data includes: current temperature, maximum, minimum, and average values. 6. Email function: Enter required email information and save settings. Supports POP3/SMTP or other server ports for email sending. Allows input of two recipient email addresses. Package Includes: 1 x Thermometer Note: Lighting and display settings may cause slight color variations between the image and the actual item. Measurement error allowance: +/- 1-3 cm.