Living in a lightening prone Florida I love all five of my ISOBARs. Three strikes within 100ft in 10yrs and one direct hit without loosing any equipment connected to an ISOBAR. I found out about ISOBARs when I worked at Kennedy Space Center. ISOBARs are used extensivly for protecting PC Workstations and other equipment. Plug equipment in and that's it, no batteries to continually replace like UPS systems require. I'll probably buy one last ISOBAR in the near future.