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 percent 1) 500 to 750 (1 percent 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 or -50 to 1300 Standard Temperature line and metal rods measurement range:-50 to 400 Working temperature: 0 to 50,Relative temperature70 percent RH Storage temperature: -10 to 60,Relative temperature70 percent 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.