Fangrui Product Details Dual Display For Both Set Temperature And Process Temperature Universal Input, Support 10 Different Types Of Thermocouples And Rtd Inputs By Customers Selected At Panels. Auto-tune Function Can Find The Pid Parameter Automatically Displays Temperature In Celsius Four Digits Led Display Can Go Up To 9999 Can Be Powered By Either Dc Or Ac Power Source Uses It For Kiln,furnace,oven,incubator Temperature Control Uses It In Heating Control As Well As For Cooling Control It Is Used In Various Industries To Control And Monitor Process Temperatures Product Main Specifications: Input Type: Tc: K, E, S, R, J, T, B, Wre3-wre25. Rtd: Pt100, Cu50 Input Range: K (-200~+1300c), S (-50~+1600c), Wre3-wre25 (0~2300c ), R (-50~+1600c), T (-200~400c), E (-200~900c), J (-200~1200c), B (350~1800c), Pt100 (-99.9~600.0c) Or (-200~+600c), Cu50 (-50~150c) Display:two Lines, Four Digits. C. Display Resolution:1c, Or 0.1c With Pt100 Accuracy: +/- 0. Or +/- 1 Unit Of Full Input Range Control Mode:p