Item Type: K Type Thermocouple Module Material: Printed Circuit Board Measuring Temperature Range: Minus 200 To 1350 Interface: SPI High Speed Transmission Input Voltage: 3 to 5V DC Support: Direct Digital Output of Temperature Value, No Amplifier, No ADC Support: 14 Bits Resolution, 0.25 Celsius Degree Temperature Accuracy1Designed for K Type: This MAX31855 module is suitable for any K type thermocouples. With SPI high speed transmission. 2Wide Measuring Range: This K type thermocouple module supports wide measuring range from minus 200 to plus 1350. 3Direct Value Output: This thermocouple sensor module supports direct digital output of temperature value, no amplifier and no ADC. 4High Accuracy: This thermocouple module also features high accuracy of 0.2 celsius degree. Support a resolution of 14 bits. 5Easy to Use: This MAX31855 thermocouple module is compatible with 3 to 5V power and logic level. SPI data output requires 3 numeric I/O pins.1. Please Allow 1 to 3cm Error Due to Manual Measurement. Thanks for Your Understanding. 2. Monitors Are Not Calibrated Same, Item Color Displayed in Photos May Be Showing Slightly Different from the Real Object. Please Take the Real One As Standard.1 x K Type Thermocouple Module