The Hitachi halogen lamp is not only superior to the incandescent and fluorescent lamps but, it is also a far better choice than other halogen lamps. Other brands in the market often use materials of cheap quality and the quartz envelop in those lamps contain several impurities. These flaws cause ordinary lamps to become inconsistent. The Hitachi 902 lamp gives you a much better performance and draws a voltage of only 12V. It is lightweight and inexpensive. You can buy these lamps online from credible vendors who are into spare parts of chemical analyzers. Order is quite easy and your merchandise will be at your doorstep within no time.Particularly, its highest possible luminous intensity has made it perfectly suitable to use as traffic light lamp and similar other systems. Here, experienced users of led tri-proof lamp warranty 5 years lighting fixtures have discussed about varieties of outdoor lights used in traffic control and other similar types of systems.