This energy-saving light bulb can be dimmed using a VARILIGHT dimmer switch. See the
compatibility guide for more information. Available with a B22 or E27 base this high power CFL will produce 1200 lumens with excellent power factor correction delivering a power factor of over 0.8. This compares with a power factor of less than 0.6 for most CFLs. The higher the power factor the more efficiently can energy be distributed.