The E5CN-R2TU 100-240AC is a digital temperature controller from Omron. It is designed for use with both AC and DC power sources, and has a wide input range of 100-240V AC. It features a two-line, four-digit LCD display with a built-in timer, self-tuning PID control, and manual/automatic output switching. Additionally, the controller has two alarm outputs and dual control points with independent on/off inputs. It also has selectable heater blanking and auto/manual regulation modes.