适用于国际航行船舶及沿海船舶上的救生圈配置。符合SOLAS1974/1996、LSA,MSC.81(70)。工作时间：≥2h;发光强度：上半球发光强度≥2.0cd;光色：白色；闪光形式的灯具,闪光频次为：50~70次/分钟。Equippedintherelativelifebuoysthatusedonvesselssailingontheseaandcoast.InaccordancewithSOLAS1974/1996,theinternationallife-s***ingappliancecode、andMSC.81(70).Operationtime:≥2h;Luminousintensity:≥2.0cd;Chromaticity:whiteFlashfrequency:50~70times/min(ifthelightisflashtype))