Features *. Tank is using seamless stainless steel and outside body is powder painting *. Screen-touch panel, mic-computer PID digital display *. Overheat protector *. The water bath with circulator using electric heat tube two unify temperature inside *. Add exterior circulator as require *. The sensor is PT-100Q *. Gable cover (AC-100) sold separately for your option. *. Heater of stainless steel *. External Circulating Pump is available *. Heating circulator sold separately for your option