Metal halide bulbs - high power compact energy-saving light sources. They are characterized by high light output with low power consumption and long workout A unique distinguishing feature of metal halide lamps is color rendition that closely matches sunlight, so they are used in lighting shop windows and salesrooms. Metal halide bulbs are represented in wide range of colors from white (comfortable for eyes ) to blue (used at industry). The most popular are one-way light bulbs with screw cap, which is screwed into the lamp socket . Double-ended metal halide bulbs are popular with possibility to prevent loss of light energy. Metal halide bulbs are widely used in street lighting, greenhouses, aquariums, architectural lighting, stadiums, industrial buildings, shopping centers.