... 85lm/W 3.Mr16 base 3.Lifespan: 35000Hr LED Small Indoor Spotlight 3W MR16 base Specification Power: 3WInput volt: DC12V/ ... source.2. Luminous efficiency comparison: incandescent lamps, halogen tungsten lighting effect for 12 to 24 lumens/tile, fluorescent lamp ... widely used in Store display, window, hotel, restaurant, indoor decorative lighting; Hall, art hall, museum, office, room and local ...