Description:Among Lerdge 3D Printer boards, Lerdge-X is a highly integrated control board designed for the Small 3D Printers, Educational 3D Printers and Entry-level 3D Printers. The mainboard uses a 32-bit coretx-M4 Core control unit, strong and stable performance, feature-rich, price concessions. With 3.5-inch full-color IPS LCD touch screen, it brings the simple and smooth operation. The motherboard uses an open interface, are free to match different motor drive modules (A4988, DRV8825, LV8729, TMC2100 and external driver, etc.) to meet different customer needs. Motherboard optimizes limit switch connection, and with a comprehensive line protection design.About the power continued to play function: Lerdge-X motherboard comes with print pause, print save, boot continue to print function. For accidental power outage, power failure to save continued playing, shut down after printing finished functions, the additional power monitoring module is required.About printing: Lerdge-X motherboard supports off-line printing by default (TF card printing or U disk printing). If you need online printing, an online module is needed. --- Lerdge-X motherboard U disk printing supports USB2.0 and USB3.0.Notes:1. 2. Package Included:1x Lerdge® X mainboard1x 3.5-inch touch screen1x 30cm power cable1x 20cm and 30cm FCC display cable1x Knob1X Nylon material screw nut set1x Resistance touch pen1x Flat screwdriver