Due to the changing lighting needs of train lamps, we offer Halogen/Incandescent to our customers.Unico lighting Halogen lamps offer extended lamp life and due to their specialty filament designs and Halogen gas technology.In addition, we has instituted off line processes to ensure consistency and reliability of delivered product.Some of these processes include but are not limited to randomly picked lamps to perform vibration testing, special annealing procedure to eliminate glass stress and 100% light up test on each lamp before it is packed and shipped to users.