This Philips EnduraLED bulb is 10 watts and 120 volt. The Endura LED 10w bulb has an A19 shape and an overall length of 4.807. It gives off a luminous flux of 900LM and has a 2700K color temperature. This LED lamp gives off a warm white color. It is a dimmable bulb and has a rated life of 30,000 hours. The Philips LED 10 watt bulb has an E26 medium screw base. Philips Award-winning LED Bulb is the efficient, LED alternative to a standard 60 watt incandescent A19 bulb with 900 lumens. The unique bulb design provides omni-directional light with only 10 watts of power. High efficacy LED accent light - First 60W incandescent equivalent A19 LED bulb to win the L Prize from the U.S. Department of Energy - Superior color rendering with 92 CRI - Smooth dimming to 10% of full light levels** - 30,000 hour rated average life - Instant-on light - Emits virtually no UV/IR light in the beam - Contains no mercury - Remote phosphor (yellow) disappears when energized to provide soft, even light Easy to experience - Assembled in USA - Offers omni-directional light for ambient illumination - Energy saving and long life properties - saves 50W compared to a standard 60W incandescent and lasts 30 times longer - 3-year limited warranty The L Prize is the first government-sponsored technology competition challenging lighting manufacturers to push the limits of energy efficiency and develop a high quality solid state lighting product to replace the common incandescent bulb. Philips has been awarded the prize because of the energy and environmental savings it delivers, but this is one case where everyone wins. Philips Award Winning LED Bulb represents a major technological leap forward for LED replacement lamps. That means, if every socket in the U.S. converted their 60W incandescent lamps to this new 10W L Prize lamp, the country could save approximately 35 terawatt-hours of electricity in one year, and avoid 20 million metric tons of carbon emissions.