1.the electric fence system can be made in 4 strands,6 strands,8 strands,etc. 2.the electric fence sends pulse high voltage. Smart ... ,low energy design ideas, without any harm to human body 8. High/ low voltage switch, use it freely, low voltage in ... voltage at night. 9. Unique BI-polar technology, makes every strands have electric shock, intruder hard to break in. 10. LCD ...