Product description Specification: Nano V3.0 ATmega328P Microcontroller Board: Operating Voltage :5V Input Voltage (recommended) 7V-12V Input Voltage (limits) 6V-20V Digital I/O Pins 14 (of which 6 provide PWM output) Analog Input Pins 8 DC Current per I/O Pin 40 mA DC Current for 3.3V Pin 50 mA Clock Speed 16 MHz Size: 45x17x19mm Cable Length:245mm Fully Compatible to Arduino Nano V3.0 ATmega328P-AU ATmega328 Microcontroller Nano Terminal Adapter: -Great for temporary things you don't want to solder. -It provided a nice platform for wiring circuits to an Arduino Nano. It can be used in conjunction with or in place of a breadboard. -It lets you make a temporary circuit without the reliability issues you get with prototyping boards, but maybe need a bit more effort. -You need to use your Nano to hold the black pin headers straight and flat during soldering. -Size: 2.21" x 1.65" x 0.50" (L* W* H) Package Included: 1 x Nano Terminal Adapter Expansion Boards 1 x Nano V3.0 ATmega328P Arduino Compatible Board 1 x Mini USB Cable or 1 x Nano V3.0 ATmega328P Arduino Compatible Board with Cable or 1 x Nano Terminal Adapter Expansion Board