Lightning Protection Kit-Lightning protection kit for the SN-920 series-Includes one lightning protector and 5 meters of coaxial cable-Reduces the risk of damage to equipment from indirect lightning strikes (protects against static discharge and electric surges)-Will not prevent a direct lightning strike from damaging equipment-Should be installed by a qualified technician-Electrode arrester can be triggered up to 300 times before replacement is necessary (EnGenius part# SN-ULTRA-LPK/F)