Opal classic Frost series led lamp for cold operating conditions -40 °C, 11W, color temperature bright white 4000K, E27, 1055lm, 25000h, size ø 60 x 102 mm, cardboard packaging. Frequency ~50/60Hz. Excellent temperature resistance both in cold and warm conditions, 40 °C. Good color rendering index CRI > 80. Continuous even spectrum, no color distortions. No UV or IR radiation. Does not contain mercury. Three-year warranty.