Description: Interface:SPI Test Temperature range :0 ? ~ 1024 ?, the converter temperature resolution is 0.25 ?. Operating voltage range 3. 0 ~ 5. 5V Operating Current :50mA Operating temperature range :-20 ? ~ 85 ?. Module size: 15mm x 28mm , with a 3mm diameter screw holes. K type thermocouple junction location, use 301 ordinary terminals Application: Industrial /Appliances /HVAC Package Includes: 1 x K Thermocouple Temperature Sensor Module