Completely compatible with original Arduino Mega2560 R3 ^^
Small Size: 5.42 cm* 3.68 cm ^^ With CH340G chip as the USB to Serial converter ^^ 5V working voltage (On board 5V and 3V3 Voltage Regulator).
^^ Input Voltage: 7-12V ^^
Analog Input Pins: 16 ^^
Digital I/O pins: 54 ^^ 1A current ability ^^ Short-Circuit protection ^^ USB Type-C port