Opal small dome LED lamp 4W, wide 360° light distribution, color temperature bright white 4000K, E27 base, 470 lm, lifespan approx. 15,000 h, size ø 45 x 74 mm, cardboard packaging. Frequency ~50/60Hz. Operating temperature range -30 … +40 °C. Good color rendering index CRI > 80. Continuous uniform spectrum, no color distortion. No UV or IR radiation. Mercury-free. Three-year warranty.