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, stylish and durable. 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, vegetable storage. Operating instructions: 1. Enables temperature reading without software installation. Temperature can be read in Excel or Word formats by pressing Caps Lock, Num Lock, or both simultaneously. Pressing once increases the reading interval by 1 second. Convenient for data logging and creating temperature curves in Excel. 2. Temperature display frame: Shows current temperature in the software interface at the top left corner. 3. Curve display: Displays 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 login, users can follow on-screen prompts to retrieve temperature data. When a contact sends "1" as prompted, it confirms receipt of temperature information. 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 differences may cause slight color variations between the image and actual item. Measurement error allowance: +/- 1-3 cm.