GS-MI/E Medium-intensity Type B Aviation Obstruction Light, Base with high intensity aviation aluminum casting, Fully sealed structure; Light source adopt with independent research and development dedicated LED chip, which have the specific of low power consumption and long long life; Lampshade adopt PC material, it can resist corrosion, anti-UV, anti-shock; management circuit with Strong lightning protection and With the surge protection device, which can adopt to extremity bad working environment. This lamp with photoswich, it can turn on when light intensity less than 50LUX, and turn off when above 50Lux