Varmit buster

[Jethro]

Has anyone used it? Does it run on 6v or 12v, I can't seem to find where it says. I think I need on for squirrels in the woods where I hunt.

http://www.cabelas.com/link-12/product/0021124225857a.shtml?cm_mmc=Performics-_-CSE-_-GoogleBaseUSA-_-0021124225857a&cmCat=perf&rid=0180101070502&cm_ven=Affiliate&cm_ite=cabela&xpid=k232270&cm_cat=Google%20Product%20Listing%20Ads&cm_pla=Primary