The electric solar fence controller is designed to supply power to a single strand fence up to the distance rated for each model . It has three ways to supply power：12 volts Battery/20w Solar panel/Adapter. The unites are designed to keep livestocks either in or out of a designated area.

The fence controller is a device generating regular but very brief high voltage pulses which are transferred to electric fence surrounding a pasture of farm to prevent animal access.

The energy of the pulse is to frighten an animal if the fence is touched when the energizer is working.