Main Chip: Atmega328P-AU, FTDI Chip (FT232RL) is on the backside of the module
12 Digital input / output ports:D2 ~ D13, 8 analog input ports: A0 ~ A7, 1 pair TTL level serial transceiver port: RX / TX, 6 PWM ports: D3, D5, D6, D9, D10, D11
16MHz clock frequency
The bootloader is already installe in the board
Support for external 5V ~ 12V DC power supply, USB download and Power, 9V battery

Technical Details

Size (LWH): 4.5 inches, 3 inches, 0.6 inches
Product Details
Product Dimensions: 4.5 x 3 x 0.6 inches
Shipping Weight: 0.05 pounds (View shipping rates and policies)
ASIN : B01983R7PK