The all new Mark 8, low impedance fencer gives you the stock holding power that you have always wanted. Shocks right through wet weeds or brush and over extremely dry ground. Features Parmak's exclusive built-in DIGITAL performance meter that tells you the exact condition of the fence. Takes the guesswork out of electric fencing. 100% solid state, with all new low impedance, uni-junction circuitry. No moving parts. Ideal for use with high tensile single or multi-wire fences. New color coded fence and ground terminals. Red to the fence and Black to ground. The Mark 8 operates for less than 7 cents a month at 7 cents per kwh. Fuse protection, with new built-in lightning arresters. Full 1 year warranty covers damage caused by lightning.