Temperature Controller, Digital, Linear, RTD, Thermocouple Sensor Type, DIN Size 1/16, Input Voltage 24V AC/DC, Switch Function SPST NO, Output (1) Relay, (3) Auxiliary, Temp. Range greater than 700 Degrees C, Control Mode 2-PID with Auto-Tuning, On/Off, 7mA Amps, Length 48 mm, Width 48 mm, Depth 77.1 mm, Precise Control Performance, Easy Set-Up, and Exceptional Visibility, Alarms (3) Relays, Power Consumption 3.1 VA