Features:Quality: high quality controller board,suitable for nearly any kind of 3D printer.Easy: fully assembled, pin socket for easily replacing or removing, no soldering required.Useful: the controller board, expandable to control other accessories, very convenient.Good: 3 field effect transistors, 3 heater/fan outputs, 3 thermistors circuit and more.Practical: a module, used in parts replacement, electronic enthusiasts' DIY, etc.Specifications:Material: Electronic ComponentsColor: MulticolorItem Size: 10.5*6*3.5cm / 4.13*2.36*1.37inItem Weight: 57g / 2.01ozPackage Size: 15.5*12*4cm / 6.10*4.72*1.57inPackage Weight: 66g / 2.32ozNote:Module only, others in the pictures are not included.Due to manual measurement, there may be deviation.Due to lighting or other reasons, it may slightly differ from pictures.Packing List:1 * 3D Printer Controller