Features: Long life span more than 50,000 hours, you don't need to change the bulb for quite a long time. With 360 degree beam angle and strong illumination, the bulb is both nice-looking and practical. It only uses 3 watts of power but is equivalent to a 30 watt bulb, energy-saving and environmentally. Easy to install the bulb as the ordinary incandescent bulbs in a few seconds, no tools required. You can see that the filament on the inside looks like stars, beautiful and romantic.