Item Type: 3D Printer Heating ControllerMaterial: PCB, aluminium heat sink. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1Smart Control: Can control the hearing of 3D printer extruder, hotbed, print head, etc. through 524V digital signal. 2Reliable Work: The MOSFET ensures excellent working performance, meanwhile the firm connection promise stable output. 3Good Matching: Able to proceed control by using the heated bed output signal of Ramp1.4 and series, quick and reliable. 4Better Design: Equipped with large heat sink, the 3D printer heating controller enables a maximum current up to 30A. 5Easy to Install: Comes with a light weight and a compact size as well, the simple installation can be quickly finished.