Rated Values:100-130V 60Hz; 220-240V 50/60Hz Colour Temperature:2700K;6400K Cap type:E27 B22 Ra:≥80(2700K);≥76(6400K) The model Dew integral fluorescent lamp with electronic ballast and a single-ended double-U shaped two-row trichromatic fluorescent lamp with a type E27 or B22 standard lamp cap．The whole unit is compact and simple in construction and highly effective in light emitting，with soft light, excellent chromatism and low heat emission．Moreover, it can be instantly started even at a comparatively low temperature or voltage. In comparion with ordinary incandescent lamps it can reduce power consumption by 80% and be readily used as a substitute for incandescent lamps.