Specifications: display: dual display for Celsius (°c) range: 0-400°c (only for factory K type thermocouple) thermocouple: K type main output: SSR PID cooling/heating control 6 different combinations dual output with: high/low/high deviation/low deviation/interval/out interval. Accuracy: 0.5% Input: Type K Dimension: DIN: 1/16 (48mm x 48mm x 108mm/1.89" x 1.89" x 4.25") Individually programmable PID control parameters. P, I, D, control period, digital filter factor and more relay control ready to connect compact design: DIN 1/8 great form factor for incorporation/incorporation into the product. Input: control output type K: SSR technical data: quantity: 1 pc. Note: If you don't know how to use, please in order to send the user manual PDF please allow 1-3mm error due to manual measurement. Pls make sure you don't mind before bidding because of the difference between different monitors, the picture may not reflect the actual color of the thing. Thank you! Package Included: 1 x Digital PID Temperature Controller SSR Output (Not Include Thermocouple)