Thermocouple, RTD, & Process Inputs High Accuracy Auto-Tuning PID Heating & Cooling Models Universal Power Supply 100-240 VAC Up to 3 Relays & 2 Analog Outputs Digital Input Set Point Selection RS-485 Serial Communications Option Modbus RTU/ASCII Communications Free Operating & Data Logging Software IP55 & IP65 Fronts 1/16, 3/16, 1/8, 1/4 DIN Sizes 3 Year Warranty