(fencing) A Device Utilized in electric fencing to detect whether a weapon has struck an opponent, which connects to the fencer's weapon by a spool and human body wire. It employs lights and sound to inform a hit, with different coloured lights for on focus on and off goal hits. https://gabletoppak.com/chikkamagaluru-dc-to-declare-mullayyanagiri-hill-station-plastic-free-zone-on-world-earth-day/