["GRBL CNC Offline Controller Board 3 Axis Control for 3018 Pro 1610/2418/3018 Engraving Machine Carving Milling Machine\n\nFunciton:\n1: Manual control: Manually adjust the position of the three axes of XYZ as the starting point of engraving, and manually turn the spindle on or off.\n2: Document engraving: After the offline board is saved in the file, it can be connected to the GRBL control board for engraving, no need to connect to the computer.\n3: Storage file: The offline version is connected to the computer and recognized as a USB mass storage device, which can directly access the engraving file.\n4. Chinese and English dual system, long press Z+ on the main page to switch between Chinese and English.\n\nNew high-speed 1.8-inch Grbl offline controller Linking Grbl motherboards allows you to engrave files offline.\nRead 600 files at a for time.\nYou can connect a computer USB to transfer files to this controller.\nfor all versions of Grbl.\nThe baud rate is adjustable.\nPress Z+for 5 seconds: change the Language to English.\nPress Z+and Z-:the Z axis will move up and down.\nPress X+and X-:the X axis will move left and right.\nPress Y+and Y-:the Y axis will move Front and Back.\nPress SPIN:Spindle on(on ),Spindle off(off)\nPress SMOD:return.\nTF card:TF card reader is to write into the root directory G-code files.\ncolor:White\nmaterial:plastic\nSize: 10*4*2cm (3.9*1.7*0.8in)\n\nPackage Contents:\n1* 1.8 inch offline controller board\n1* TF card\n1* connection cable\n\nOnly the above package content, other products are not included.\nNote: 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 +/- 1cm."]