... .98; lum: 14.5Kcd/m2 double tube super light LampThe brightness of its light is more than one and a ... protective, lanthanon material give off light, average life is 10000 hours(technical life)Double tube can completely shield the ... revivificationwithout dazzle,close to the natural light,enhance the CRI of the light,vivid re-show the true color ... room, family, library and so on. Enery saving double tube