The Speedrite S1000 is easily portable, simple and intuitive, plus it’s more powerful than comparable energizers. Suitable for large farms, lifestyle properties. Powers up to 10 miles; 1.0 Joule Output Solar panel and battery integrated in one convenient case. Mounts to wood or metal T-Post. Single flashing LED indicates fence pulse. Includes leads to connect to fence as well as internal rechargeable battery. Three year warranty.