Item Type: 3D Printer Heating ControllerMaterial: Printed Circuit Board, MetalFunction: For Heatbed Extruder MOS Module .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; } 1Heating Controller: This 3D printer heating controller is designed for heatbed extruder MOS module. 2Signal Control: You can use Ramp1.4 or heatbed of MKS mainboard directly to output signal control. 3Large Heatsink: This MKS heating controller is equipped with large heatsink, the maximum electric current is above 30A. 4Digital Signal: This MOS heating controller can be used 5 to 24V number signal control. 5Durable Material: This extruder heating controller is made of premium printed circuit board and metal, very durable.