This product comes with a pair of TP-01 thermocouple.. TP-01Thermocouple probe: The operating temperature is up to 250C (300C can be reached in a short time) If you need to measure very high temperature or surface temperature, semi-solid, gas, please contact the seller to buy other types of probes Specification: Resolution: 0.1(-199.9~199.9) 1(200~1370) Dimension: 24 x 72 x 108 mm Accuracy: 0 to 500 (0.75%1) 500 to 750 (1%1) 0 to -20 2 750~1000(-3~0) -20 to -40:3 1000~1370(-5~-3) -40 to -50:-3 Meter Measurement range: -50 to 750/-50 to 1300 Standard Temperature line and metal rods measurement range:-50 to 400 Working temperature: 0 to 50,Relative temperature70%RH Storage temperature: -10 to 60,Relative temperature70%RH Weight: 120g (not included battery) Power: One 9V battery (not included) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.