Electric Power Saver RTOS Microchip Control, Real Time Monitor LCD Display, LED Indicate Patent Design Idle Curent:0.01, Low Electric Power ... -75 degreeRated Frequency: 50Hz-60HzLoad Rating : 200AMPLCD Display , (Dispaly : PF,U,I,Frequence )LED Display work statusRTOS embedded firmware/Microchip control,Real time ...