HiLetgo DC 5V MAX6675 Module + K Type Thermocouple Temperature Sensor With M6 Screw DC 5V MAX6675 Module K Type Thermocouple Temperature Sensor Test Temperature Range: 0Degrees Celsius C 1024Degrees Celsius, the converter temperature resolution is 0.25Degrees Celsius Operating Voltage Range: 3.0 C 5.5V; Operating Current: 50mA Operating Temperature Range: C20Degrees Celsius C 85Degrees Celsius Module Size: 15mm * 28mm, with a 3mm diameter screw holes