It has High lamp efficacy results in low operating costs and low heat generation. Long lamp life compared with incandescent and halogen lamps. Stable colour impression over lifetime. Unique design increases flexibility in application and allows powerful accents from small unobtrusive luminaires. Simplified luminaire design because CDM-R lamps can be used in open luminaires. Relatively low heat output enhances comfort for shoppers and staff. Integrated UV-Block shield reduces fading risks.