... Auto Start with key, LOP/HET/OS Shut down, Hour meter,negative output.HGM180HCKey/Auto start ModuleManual/Auto Start with ... key, LOP/HET/OS Shut down, Hour meter,positive output.HGM190HCKey/Auto start ModuleManual/Auto Start with ... LOP/HET/OS Shut down, Hour meter, idle control, MPU speed sensing,positive output.HGM6110Genset controllerEngine and electric parameter detecting and display ...