MS-2000 LIGHT MARKER DISTRESS STROBE

This is a MS-2000 Light marker distress strobe, this is untested so it is sold as seen.MS2000 'Firefly' single frequency strobe (Light, Marker, Distress) by ACR Electronics USA.New in either manfacturer's Polythene bag or box.Genuine military issue item carried by UK and US aircrew, Special Forces and other forward operating troops. Used to mark locations and signal to air assets.