There’s no point in fixing a bulb in your house if it’s dim and inefficient. If you want the real deal, light up your home with this Syska Cool day LED Light bulb. Energy efficient This polycarbonate bulb gives out clear white light and uses about 70% less energy than regular bulbs. This, mercury-free bulb is heat-resistant and eco-friendly. Fits into regular B22 CFL sockets Operating on 90-300 voltage AC, you can use this bulb as replacement for any 100W GLS or 18W CFL bulb.