1. The main unit supports K/J type thermocouples with 4-channel display 2. Switchable C/F temperature units 3. Data hold function, maximum/minimum value display, and automatic power-off after 15 minutes of inactivity (can be manually disabled) 4. Supports data logging and real-time communication with a computer for real-time data table display 5. Configurable high and low limit alarm values with visual alarm indicator light Includes ADJ compensation Main unit measurement range: K-type probe: -200°C to 1372°C (-328°F to 2501°F) J-type probe: -200°C to 1200°C (-328°F to 2192°F) Standard K-type probe: -50°C to 300°C (-58°F to 572°F) Accuracy: Main unit: ±0.2% + 0.7°C; Standard probe: ±1.5% Resolution: (-99 to 999.9) 0.1°C/F; (-100 to -2001000) 1°C/F High alarm default: 1300°C; Low alarm default: -200°C ADJ compensation range: -9°C to +9°C for probe error correction Mounting nut with bracket: 1/4 inch nut Sampling rate: 1 sample per second Auto power-off: 15 minutes (can be manually disabled) Color: Material: Plastic Package Contents: 1 x Thermometer Note: Light reflection and display differences may cause slight color variation between the image and actual item. Measurement tolerance: ±1-3 cm