For 3-axis LY desktop CNC 1610 2418 3018 PRO retrofit and upgrade DIY useWorking voltage: 5VSize:Limit switch: 8mm,10mmCable length: 60cmColour: blackMaterial: metalPackage Contents:2 * 10mm middle hole limit switch1 * 8mm middle hole limit switchOnly the above package content, other products are not included.Note: Light shooting 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.