Liva LAP PEX 220 Active Lightning Rod is operating according to the principle of "Early Streamer Emission (ESE or ESEAT). By the way, 2x8 mm solid copper-CCA conductor or 30x3 mm galvanized strip down conductors can be connect very easily to the Ligtning Rod. (*)This lightning rods have 300 meters protection diameter. (*) Accessories may differ according to the countries and the standard of these countries. Packaging 17x26.82 cm Weight 15.00 / 22.00 kg