Item Name: RAMPS 1.6 Extension with Arduino2560 for 3D Printer Kit PCs in Item: 1 PC or 1 Kit. Two Kits choices: Kit A: RAMPS1.6 Board x 1, Mega2560 Board x 1, LCD12864 kit x 1, RAMPS1.4 End-Stop x 6, A4988 Driver x 5 Kit B: RAMPS1.6 Board x 1, Mega2560 Board x 1, LCD12864 kit x 1, RAMPS1.4 End-Stop x 6, DRV8825 Driver x 5 Manufacturer: N/A, Made in China Reference: BigtreeTech RAMPS-1.6 Documents Notes: There are two types of connector interface for Mega2560 board: USB Type-C and Micro-USB, please specify in the ‘Order Notes’ when checking out