Powers up to 10 km / 6 miles of fence 1.0 J maximum outputenergy (1.30 J stored energy). Requires minimal sunlight. Indicator light (pulse). Battery saver. Rugged design. High output voltage. Rechargeable internal battery. Steel and wood postmounting options. On/Off switch. 3 year warranty. Comes with built-in solarpanel and 12 V 7 amphour battery