Description: Increased stability, optimization of heat dissipation, high productivity chips on 1117 LDO power supply. Better safety, add a rechargeable fuse to protect against short circuits. Compatible with Arduino MEGA2560 2012 R3 Microcontroller: ATmega2560 Input Voltage:3.7-25V USB to serial port using 16U2, more flexible Specification: Material: PCB Size: 102x53x12mm USB cable length:300mm Package Includes: 1x MKS MEGA 2560 R3 Board 1x USB Cable