E27 35w70w reflector discharge bulb mastercolor cdm r par30 philipsadvantages high bulb effectiveness allowed through low operating costs long lifespan compared to light bulbs and halogen bulbs unique design increases flexibility in application and makes it possible to set impressive accents with small inconspicuous lamps simplified lamp structure because cdm r bulbs can be used in open lamps relatively low heat dispersion increases comfort for customers and employees uv block for red