12.75'' H x 5.07'' W Black Polyethylene Plastic Fence Energizer

This product is a dual purose 3 Joule model. This energizer runs on 110 volt ac or 12 volt battery power. The P30 will control 65 miles of fence or 260 acres. It can be used with a 30 watt solar panel and a 12 volt battery (both not included).