Features:

• CH340G Replace FT232RL
• 8 analog inputs ports:A0 ~ A7
• 14 Digital input / output ports:TX,RX,D2 ~ D13
• 6 PWM ports:D3, D5, D6, D9, D10, D11
• 1 pairs of TTL level serial transceiver ports RX / TX
• Using Atmega328 MU/ Atmega328 AU
• Coming with the bootloader installed.
• Auto sensing/switching power input
• Support for external 5V ~ 12V DC power supply
• Support power supply by 9V battery
• ICSP header for In System Programming (ISP). 
•  Automatic reset after program download.
• Auto sensing/switching power input.
• Power OK, (TX), (RX) and  (L) LED indications.
• Mini USB for programming and serial monitor.
• Standard 0.1” spacing DIP (breadboard friendly).
• Manual reset switch. 

Specification:

•  Microcontroller: Atmel ATmega328
•  Operating Voltage: (logic level) 5 V
•  Input Voltage (recommended): 7-12 V
•  Input Voltage (limits): 6-20 V
•  Digital I/O: Pins 14 (of which 6 provide PWM output)
•  Analog Input: Pins 8
•  DC Current per I/O: Pin 40 mA
•  Flash Memory 32 KB (of which 2KB used by bootloader)
•  SRAM 2 KB
•  EEPROM 1 KB
•  Clock Speed 16 MHz
• 
  

Package includes: 
1 x Arduino Nano V3.0 with ATMEGA328P Module with pin headers(soldered or not is optional) 
1 x USB Cable (only when you choice)