It was great working with both Stan and Andrew. They helped me figure out what my needs were to protect my main house, a travel trailer as well as the associated tow vehicle that pulls it, and my mother's home. My son lives in the trailer - and who knows when we might have to move it - but better to be ABLE to anyway by covering the vehicle as well. Andrew was able to explain to my satisfaction how the EMP devices work - enough to convince me to buy 6 in all. I also feel like I'm making a contribution towards "hardening the grid" - as the protection extends 250 feet in both line directions along the line. If we all do this, we help the USA in general brace for the future. Thanks much.