Excellent condition.
Keep critters IN, or as we did OUT of, your area.
If you're unfamiliar with these, the 1-Joule output will definitely give a jolt to animals up to horse size.
You'll also need wire ($25 at farm supply stores gets you 600-plus feet of shock-wire; $40 if you want the even greater shock-power gauge) and insulators (these run $0.25-to-$0.40 each depending on how they attach).
Cash or Venmo only please; I'm online variably through a day, so please be patient responding. Thanks!