The Buzzard energiser from Hotline is a high powered energiser with an output power of 3.4j, suitable for powering short to long length fences.This Energiser is powered from a 12v wet battery. There is a low battery / pulse indicator so you can easily tell if the energiser is getting enough power and the output can also be adjusted with High or Low settings to suit your fencing. The Buzzard Energiser has an output power rating of 3.4j and will power up to 25km of fencing.