(fencing) A device Employed in electric powered fencing to detect irrespective of whether a weapon has struck an opponent, which connects to some fencer's weapon by a spool and human body wire. It employs lights and sound to inform a hit, with various coloured lights for on target and off https://gabletoppak.com/customized-mineral-water-bottles-and-packaged-drinking-water-the-future-of-sustainable-packaging-at-gabletop-pak/