Pro Mini ATMEGA328P 5V/16M

Arduino-compatible Board. New. 
ATmega328 running at 16MHz with external resonator (0.5% tolerance) 
USB connection off board 
Supports auto-reset 
Max 150mA output 
Over current protected 
Reverse polarity protected 
DC input 5V up to 12V 
On board Power and Status LEDs 
Size：（Long）33mm *（wide1）18