Easily replace CFL lamps with long-lasting, energy efficient LEDs 10W replaces 42W CFL lamps Easily switch between CCTs via a switch on the lamp, 2700K, 4000K or 5000k Up to 1400 lumen output Suitable for damp environments Not for use in enclosed fixtures Quad tube design provides omni-directional light distribution Hybrid driver allows operation on line voltage or with a compatible ballast The Light Efficient Design PL plug in light bulb offers an easy CFL to LED conversion. Type A/B omni-directional PL lamp.