GRBL CNC Offline Controller Board 3 Axis Control for 3018 Pro 1610/2418/3018 Engraving Machine Carving Milling Machine Funciton: 1: 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. 2: 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. 3: 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. 4. Chinese and English dual system, long press Z+ on the main page to switch between Chinese and English. New high-speed 1.8-inch Grbl offline controller Linking Grbl motherboards allows you to engrave files offline. Read 600 files at a time. You can connect a computer USB to transfer files to this controller. Compatible with all versions of Grbl. The baud rate is adjustable. Press Z+for 5 seconds: change the Language to English. Press Z+and Z-:the Z axis will move up and down. Press X+and X-:the X axis will move left and right. Press Y+and Y-:the Y axis will move Front and Back. Press SPIN:Spindle on(on ),Spindle off(off) Press SMOD:return. TF card:TF card reader is to write into the root directory G-code files. color:White material:plastic Size: 10*4*2cm (3.9*1.7*0.8in) Package Contents: 1* 1.8 inch offline controller board 1* TF card 1* connection cable Only 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 +/- 1cm.