Battery Operated High Voltage Detector consumes maximum 30 mA power. The Detector is powered by a single 9V battery. The Detector indicates the presence of high voltage by audio as well as visual annunciation and is designed for 6 KV to 50 KV AC 50 Hz overhead lines in EHV switchyards. The Battery Operated High Voltage Detector is offered with telescopic insulation stick and sturdy carry bag.