Features: This is a double universal programmable digital display temperature controller that supports many types of thermocouple sensor. It is powered by 220V AC Specifications: Screen: Double screen for Celsius (C) Range: 0-400C (Only when with K-type thermocouple factory) Thermocouple: K Main output: RELAY PID cooling / heating control 6 different Output combinations with: high / low / high deviation / low deviation /interval / out of interval Precision: 0.5% Input: K type Dimension: DIN: 1/16 (48mm x 48mm x 110mm/1.89"x1.89"x4.25") Individually programmable PID control parameters. P, I, d, checkpoint, digital filter coefficient, and more Control relay ready to connect Compact design: DIN 1/8 great factor to include / build-in to your product. Control output: Relay Specifications: Quantity: 1 Pc Note: If you do not know how to use, please contact us to send PDF user manual Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x Digital PID Temperature Controller Relay Output (DO NOT include thermocouple)