OSOYOO MEGA2560 R3 Control Board ATMEGA2560-16AU USB Cable (Compatible with Arduino);

Specification:
Microcontroller: ATmega2560
Operating Voltage: 5V
Input Voltage (recommended): 7-12V
Input Voltage (limits): 6-20V
Digital I/O Pins: 54 (of which 14 provide PWM output)
Analog Input Pins: 16
DC Current per I/O Pin: 40 mA
DC Current for 3.3V Pin: 50 mA
Flash Memory: 256 KB of which 8 KB used by boot loader
SRAM: 8 KB
EEPROM: 4 KB
Clock Speed: 16 MHz

Package includes:
1 x Mega 2560 ATmega2560-16AU Board (Arduino-compatible)
1 x USB cable