... -240VAC Digital PID Temperature controller + 25A SSR + Heat sink + K sensorDigital Temperature Controller :(D1S-VR-220 ,input voltage 100-240VAC ... DIN(48X48mm) Temperature Controller 2. Support multi sensor input (K,S,Wre,T,E,J,B,N,CU50,PT100) 3. Wide control ... reduce interfere 9. Self calibration technology, keep stabilization 10. 0.39" height LED, prevent dazzle, highly visible display 11. Switching ...