Patriot Fence Alert Warning Light

Provides a warning if your fence voltage drops below the level required for effective stock containment","Can be used on poliwire polirope/braid politape (1/2- 1 1/2 inch) and steel or aluminum wire","Can be seen from up to a mile away","Replaceable lithium battery can power up to 5 years on standby or 2 weeks of continuous flashing