Features:
100% Brand New
Size: 7.5 x 5.4 x 1.7cm (L x W x H)
Input voltage - 7-12V
ATmega328 microcontroller
14 Digital I/O Pins (6 PWM outputs)
6 Analog Inputs
32k Flash Memory
16Mhz Clock Speed
TWI interface and the IOREF in the top and bottom connectors. This change keeps the board 100% compatible with the current boards and shields， but adds possibilities for new shields.
Reset button moved from center of board to corner near USB connector. This is great; makes it much easier to access with a shield on.
Larger heat sinking copper area for the LM117 regulator.
Uses an Atmega16U2 instead of the Atmega8U2 on the previous version. Opens up more possibilities for USB apps!

Package Content:
1 x ATmega328P Version Board
1 x USB Cable