Upwards of six-hundred Farenheit. I told you, you can use it to solder. It's a little inexact, gettin' it to where you want it, but I couldn't work out a way to dial it in without the whole thing bein' way too bulky. No point to a pocket knife that can't fit in a pocket. You have to just sort of feel it out.

[What he means is, use your magic brain to kind of direct it. It's not his area of expertise and that is on purpose. He doesn't think too hard about how he directs his electricity or the various things he can make it do when he purposefully gets his blood on things, he just goes on gut instinct.]