The SL-822 features a 27 watt light bulb that is analogous to a 150 watt bulb but can last up to five times longer! The light bulb in the SL-822 is managed by an IC chip made in Japan that creates the flicker-free frequency of 25,000 Hz. The SL-822 EasyEye Floor Lamp from Sunpentown is perfect for living room lighting. The SL-822 creates natural illumination comparable to the sun’s rays. The bulb in the SL-822 creates a brilliant white light that increases contrast and clarity as well as reduces eyestrains.The SL-822 is just right for any family room that is tired of flickering lights that frequently need new bulbs.