Weight: 39g Warm tips: When the use of hot bed power 150W when the external high-power module Product manual: 3d printer hot bed high-power expansion module, the appearance of small atmosphere, design, heat more powerful, to solve the hot bed power is too , the current load problem, the module under normal heat dissipation, measured I (Max) = 30A can Stable long-term work, the use of the process, the current do not 30A. : PC+Metal Color as shown Advantage: 1, each will be functional testing and then shipped 2, the performance of the MOS tube (nominal maximum current 280A). 3, heat sink, the maximum current can be up to 30A or more. 4, you can directly use the Ramp1.4 and MKS series motherboard hot bed output signal control. 5, you can use 5-24v digital signal control Package Contents: 2 x expansion board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.