Die-cast 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, sleek and attractive design. 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, supermarkets, climate temperature control and monitoring, farms, greenhouses. 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. Press once to increase 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 top left corner of the software interface. 3. Curve display: Features two curves: Line and Current Line. Users can monitor temperature changes. Current Line shows real-time temperature fluctuations. Curve trend reflects current temperature variation. 4. Daily record: Automatically records current temperature and saves data in designated files. 5. Data access: After login, follow on-screen prompts to retrieve temperature data. When a user sends "1" as prompted, it confirms receipt of temperature data. 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. Allows entry 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.