The key features of DRC-003 include control functions such as switchgear (Trip/Close), alarm settings, monitoring features including current, voltage, real power, reactive power, apparent power, power factor, controller version, frequency, battery voltage, switchgear position, alarm statuses, system statuses, user event logs, recloser event logs, alarm notifications, software management, map views, balance checking, remote control system software (smart phone app and SCADA software), call control features, key tone control features, language support (Khmer & English), and voice instruction.