Mini Pro is a microcontroller board. It has 14 digital input / output pins (of which 6 can be used as PWM outputs),

Eight analog inputs, a 16MHz resonator, a reset button, mounting hole pin head.

Technical parameters:

1.14 Digital input / output ports RX, TX D13, D2 ~~ of, 
2 or 8 analog input port A0 to A7 
3. The TTL level serial transceiver port RX / TX 
4.6 PWM ports, D3,, D5 , D6, D9, D10, D11 
. Using Atmel Atmega328P-AU microcontroller 
supports serial download 
7. Support for external 5V ~ 12V DC power supply 
8. Support 9V battery-powered the 
9 clock frequency 16MHz 
10. Dimensions: 33.3 * 18.0 (mm)