The SpringLamp three-way CFL/LED hybrid bulb switches between 19 watts, 30 watts, and a 1-watt LED night light and can be used in table lamps and floor lamps. Lasting an average of 10,000 hours, the three-way CFL/LED is manufactured using lead-free glass, giving the bulb better lumen maintenance over its life and a color temperature closest to incandescent light, the maker says. 800.324.1496.