Solid State Relay SSR-25DA + Temperature Controller TA6-SNR +1 K Type Thermocouple (dual line display universal digital programmable PID Control) Accuracy: 0.2% Dimension: (48WX96HX80Lmm) Width switch power: 90-260V AC/DC Range: -1999 to 9999 (depends on the input signal) Display: Dual display for Fahrenheit(F) and Celsius(C)