Item Type: K Type Thermocouple Module_x000D_Material: Plastic_x000D_Model: MAX31855_x000D_Input Voltage: 3-5V DC_x000D_Size: Approx. 20.3 x 20.3mm/0.8 x 0.8in_x000D_Positioning Hole Spacing: Approx. 15mm/0.6in_x000D_Positioning Hole Diameter: Approx. 2mm/0.08in 1K type thermocouple module with ?200?+1350 temperature measuring range, convenient to use. 214?bit resolution, temperature accuracy up to 0.25, only suitable for MKS SBASE. 3MAX31855 thermocouple temperature sensor module with SPI port, support high?speed transmission. 4Direct digital output temperature value without amplifier or ADC, ideal for measurement of the high temperature. 53?5V DC input voltage, easy to install and flexible to use, can meet most of the industrial site data collection requirements.1 xK Type Thermocouple Module1. The module does not included the thermocouple probe and needs to be purchased separately._x000D_2. Only applicable for MKS SBASE, NOT suitable for other 2560 series motherboards.