... round studio flash lemp for Studio Flash Light,Studio Equipment,Mettle studio light 1 brand:ryel2 flash tubes power: ... xenon flash tube: 1 (Photo Studio) Flash, subsidies, cold light equipment. 2 (traffic) airplane, sailing ships, lighthouses, lights and ... calibration, positioning, vehicle fire equipment and so on. 4 (civilian) alert system, advertising equipment, stage lighting, show lighting, ...