Metal halide lamps are suitable for indoor and outdoor lighting. Their high Ra index and high efficacy allow its usage for indoor work-related rooms (work rooms, production halls, warehouses), but also for vendor areas (malls, shops). They can be used also for outdoor areas (parking places, airports, tradic roads). Their lighting spectrum is depended on metal vapors used in the lamp. These lamps can be delivered 830 warm white and 842 neutral white. These lamps can be operated only in fixtures equipped with ballast and ignitor with
starting peak voltage 3,5-5,5 kV.