Get a longer lasting safe and affordable alternative to incandescent or CFL light bulbs using this 6-watt A19 LED Bulb from Monoprice This LED bulb uses only 6 watts of power but produces 450 lumens of light energy at 6000K equivalent to a standard 35-watt incandescent bulb. It uses the E26 medium Edison screw base which is the standard home screw-in bulb type were all used to. This indoor bulb is 2.4 in. in diameter and 4.7 in. tall and has an 85 ~ 265 VAC operating range. The bulb features a shatter resistant polycarbonate lens which is designed to withstand ordinary drops and falls and a 100 aluminum heat sink. It uses the superior Epistar diodes is rated for approximately 25000 hours of use before failure. The bulb generates light in the 6000K range Color Rendering Index greater than 80 with an impressive beam angle of 270 which is a cool bluish light that is perfect for high-visibility illumination needs such as in a workshop or bathroom. This bulb is not designed to be dimmable. While it may be physically dimmed in some light fixtures doing so can damage the bulbs internal circuitry and severely reduce its expected life span.