Small opal LED light bulb 5.5W 500lm, color temperature bright 4000K, E27 base, life approx. 15,000h. Size ⌀ 45 x 74 mm. Turns on without delay, immediately producing full luminosity even in sub-zero temperatures. Operating temperature range -30... +40 °C. Good color rendering index CRI > 80. Continuous uniform spectrum, no color distortion. No UV or IR radiation. Does not contain mercury.