... and touch buttons.Main Functions:1- Display loading power, voltage, currenct, frequency, speed, temperature, oil pressure, running time etc. ... 2Warning when low or high voltage, low or high frequency, over current, over or low speed, ... factory of cummins, Rerkins, Deutz, Leory somerQuality positioning: medium and high qualityQuality Assurance: Weapon Equipment quality system, Military ...