PHILIPS LED Ultra Efficient Light Bulb A Label Energy Rating [Cool White 4000K E27 Edison Screw] 40W A60 Clear. for Indoor Home Lighting.

Take Efficiency to the next level - In the past, we relied on wattage to give an idea of the brightness of a traditional bulb. But with LEDs, the number of wattages does not tell you about brightness. When selecting a LED lamp, it’s better to look at light output instead of power. The light output of a lamp is measured in lumen (lm), and this is indicated on the packaging..Number of items: 1.Power source type: AC/DC Take Efficiency to the next level - In the past, we relied on wattage to give an idea of the brightness of a traditional bulb. But with LEDs, the number of wattages does not tell you about brightness. When selecting a LED lamp, it’s better to look at light output instead of power. The light output of a lamp is measured in lumen (lm), and this is indicated on the packaging. It also helps to protect the environment Ultra Efficient LED bulb from Philips will keep on looking great for 50000 hours Number of items: 1 Power source type: AC/DC The light output of a lamp is measured in lumen (lm), and this is indicated on the packaging