Product information:

Support Arduino IDE 1.0+ (OSX/Win/Linux)
It can be powered by USB or 5v or 7-35v (automatic matching) additional power supply
There is a 500ma 5V regulator on the motherboard
USB embedded (serial debugging)
6 I/O Pins (2 to support USB)
8k Flash Memory (about 6k after bootloader)
I2C and SPI (vis USI) PWM on 3 pins (more possible with Software PWM)
ADC on 4 pins
Power LED indicator and Test/Status LED

Packing list:

Micro usb development board*1