Power Supply: AC100-240V 50/60HZ; Temperature setting range: -50 ~ +999 °F; Input thermocouple: (K, J, E, N) 4 types of thermocouples input via panel Usage in heating or cooling control; Display: Two lines, three digits in Celsius (°C) or Fahrenheit (°F) (selectable); Display resolution: 1°C/1°F; Control precision: ±0.5%; Control mode: ON/OFF (On/Off Control when P=0) Output: One group control output; Supports two output methods for user selection: Relay contacts 3A @250VAC or pulse output 12VDC for external use Contact capacity: 250V AC 3A (resistive load); Alarm: One alarm with six modes: high deviation, low deviation, process value alarm; Power consumption: 10VA Operating temperature: 0-50°C, 30-85% RH, non-condensing Panel name and functions: PV: Measured value / various parameter symbols SV: Set value / various parameter set values Out: Output indicator lamp AT: Automatic indicator lamp AL1: Alarm indicator lamp ▲: Increase numbers ▼: Decrease numbers ◄: Shift key MODE: Used for parameter calling up and set value registration Item size: (M type) 72 x 72mm Installation Hole Size: 68 x 68mm (M type) Material: Plastic Color: As shown Package Contents: 1 x Digital Temperature Controller 1 x English Manual Only the above package content, other products are not included Note: Light reflection and different displays may cause the color of the item to appear slightly different from the real thing. Measurement allowed error is +/- 1-3cm.