Socketed Version Uno R3 (open-source clone of Arduino Uno R3)， USB cable， 9V snap connector， and 8AA battery pack (batteries not included).<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Socketed ATmega328P chip with ATMega16U2 USB bridge. Plug and play with Windows 10 and the Arduino IDE.</li><li>Power the Uno R3 with a 9V battery or the 8AA battery pack (batteries not included).</li><li>8 AA rechargable batteries provide 9.6V of power. 8 AA alkaline batteries provide 12V of power. Perfect match for the recommended 7-12V input.</li><li>Includes open-source Arduino Uno R3 clone， USB cable， 9V snap connector with barrel jack plug， and 8AA battery pack (batteries not included).</li><li>100% compatible with Arduino Uno R3</li></ul></div><img src="http://ecx.images-amazon.com/images/I/519Dc1SQ2SL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Nw730vqVL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31CU3hc-GJL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41UvU8OJ16L.jpg" noproxy>