LED BULB Series Signal LED Lamp Indicators which adopted Multichip LED made by High quality LED Luminous Chip as Illuminant has the advantages of long life, low power consumption, High Brightness with Light weight. It is ideal regenerate product for XD types various filament lamps and neon lamps. The Body of Indicator lamp is made by High grade Polycarbonate plastic material having good resistance to impulse, safe and convenient for its built-in bolt type connection.