Electric fencing products by Nemtek. Every electric fence requires an energizer which provides power to the electric fence. All Nemtec energizers comes with battery backup included. For residential areas use Merlin 4, Wizzord 4 or Druid 5. For larger applications the M18(1 zone) and M28(2 zone). Druid 114 is the most powerful energizer to get(not for small fences), use for complexes and larger applications. JVA electric fencing products - preferred by Alarmtec offers exceptional value and durability. Large list of fencing brackets and more available.