Support for the Arduino IDE 1.0+ (OSX / Win / Linux)
Power via USB or External Source - 5V or 7 -35V (automatic selection)
On-board 500ma 5V Regulator
Built-in USB(and serial debugging)
6 I/O Pins (2 are used for USB only if your program actively communicates over USB otherwise you can use all 6 even if you are programming via USB)

Technical Details

Product Details

Package Dimensions
Width : 3.9 inch
Height : 0.59 inch
Length : 4.41 inch

Shipping Weight: 3.2 ounce (View shipping rates and policies)

ASIN : B01MDUHSWO