On Wednesday, September 7, 2016 at 8:02:23 AM UTC-4, Spalted Walt wrote:
https://www.youtube.com/watch?v=Q8q3DZB_l6M

li-ion battery for the hand held version?
Would make a hella defensive weapon!

At the beginning of this video you'll see the "base unit".

Ain't gonna work with a battery. ;-)

https://www.youtube.com/watch?v=dZ_90920Zbg