The new concept product of rugged embedded controller PC, REC5415, is equipped with an Ultra Low Voltage Intel Celeron M CPU with four USB 2.0 ports, two up to six serial ports and digital I/O permitting communication with diverse devices and signal sensors. REC5415 has a DC power input range from 9 to 36V which can work efficiently without a fan. Due to the delicate design, REC5415 can work permanently and efficiently at wide temperatures ranging from -15 to 55 degree Celsius.