Bmcu370C Hall buffer version, it supports bidirectional buffering, its feeding is softer and less likely to cause damage to the filamenthub.<br>Supports the function of "long retraction when cut in filament".<br>BMcU is an open source project. It can realize the function of -lite at low cost.<br>This kit is currently compatible with A1, A1 mini printers and also with the P1 series (experimental).<br>This kit can only work in 4-channel mode, which means it cannot currently support more than 4 channels via expansion.<br><br>Compatibility: A1, A1 mini, P1S P1P(Experimental support), X1 Series (Possible but unproven).<br>Attention:Assembling and debugging this kit may require some hands-on skills, such as soldering wires with a solderingiron, etc.<br>Color:White<br>Material:Plastic+Metal<br><br>Package Contents:<br>1 * BMCU370C Auto Refill Farm<br>1 * cable<br>3 * Tube<br><br>Only the above package content, other products are not included.<br>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.