kuman Mega 2560 R3 Board AtMega 2560-16au + Atmega16u2 + USB Cable Robot for Arduino UNO Mega 2560 R3 Duemilanove K16 Robot development board Microcontroller: ATmega2560 Flash Memory:256 KB (ATmega2560) of which 4KB used by bootloader. Package include:1x Mega 2560 R3,1X USB Cable