Features: Uses it for furnace-oven, incubator temperature control. Uses it in heating control as well as for cooling control. Output, alarm and self-tuning can be indicated by : LED Auto tune-function can find the best PID parameter automatically. It is used in various industries-to control and monitors process temperatures. Specifications: Material:Plastic Panel Size: 48x48x110mm/1.88x1.88x4.33inch Opening Size: 45x45mm/1.77x1.77inch Color:Black Style: K-type input-relay outputs-MDA Style: K-type input solid-state output-VDA Style: universal input-relay output MAN Style: universal input solid-state output-VAN Note: .Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. .Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1x Temperature Controller