Features: High precisions MAX31856 Thermocouple Module with ±0.5℃ Accuracy supports sensorings for industrial temperatures measurement. Features two SPI/I2C interfaces for integration, and other development boards, plus 8KV ESD protections for stable performances. for engineers, maker, and industrial designers requiring temperatures monitoring in extreme like 3D printing or laboratory research. Perfect for real time temperatures control in high temperatures equipment (reflows ovens, 3D printers) or precisions agriculture greenhouses with wide measurement ranges. stackable 2.54mm pin headers enable modulars expansion, while enhanceds antiinterference outperforms traditional thermocouple amplifiers circuits. Specifications: Materials: Size: The size is as shown Color: Blue/Purplee(optional) Package Includes: 1Set MAX31856 Thermocouple Module note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.