This Arduino Uno clone and is an easy to use microcontroller with a lot of supporting resources available online. 

It is based on the ATmega328 chip and has 6 analog inputs, 14 digital input/output pins (of which 6 can be used as PWM outputs), 16 MHz ceramic resonator, power jack, an ICSP header, and a reset button.

It will need a battery or plug pack to power it. 

Microcontroller - ATmega328P
Operating Voltage - 5V
Input Voltage (recommended) - 7-12V
Digital I/O Pins - 14 (of which 6 provide PWM output)
Analog Input Pins - 6
DC Current per I/O Pin - 40 mA
DC Current for 3.3V Pin - 50 mA
Flash Memory - 32 KB (ATmega328) 
SRAM - 2 KB (ATmega328)
EEPROM - 1 KB (ATmega328)
Clock Speed - 16 MHz

Our package contains:
1x UNO board
1x USB cable