Bulbrite LED/SYMPLE/B Symple LED Desk Lamp with Smooth Touch Dimmer, Black Energy saving (uses only 7-Watt) No mercury used Equivalent to a 40 watt incandescent desk lamp in light output (65 foot candles, 700 lux) Compared to a 40W incandescent lamp, the Symple LED desk lamp saves 91 on utility bills over the life of the lamp. (based on average of .11/KwH) Long life, lasts up to 14 years (based on 5hrs/day usage) Size: 15.6-Inch H Base: 7.4-Inch Dia