Gemini Energisers will run from either a 12v battery or from a mains power supply, perfect for those wanting flexibility to move between a temporary, portable fence to a low maintenance mains system. The Gemini 40 will come with earth, fence and battery leads and 12v mains adaptor, it can be mounted on either a wall or wooden post or hangs on the hotline ES2 earth stake. Will run upto a maximum 8km single fence. 220v mains input* or 12v DC input. Low battery/pulse indicator. Galvanised stand. *HT lead required for mains installation.