Equivalent to an old 50W Incandescent GLS Bulb, offering similar brightness using around 10th of the power. This E27 LED Bulb uses 88% less energy than the original old bulb and lasts 30 times longer. Also, unlike standard energy savers, this LED Bulb doesn’t contain mercury and switches on instantly. Thanks to the High Quality, High Brightness Epistar 11x SMD2835 LED Chip this E27 LED Bulb is one of the best alternatives to the old 50W E27 GLS Bulb. The new Heat Conductive Thermo Plastic outside and Pure Aluminium inside allows this bulb to use High Powered LED Chips. This is why this small bulb can be so bright. Box contains 3 LED bulbs.