This energy-efficient and long-lasting LED light bulb has a lifetime of approximately 25,000 hours. It spreads a pleasant warm-white light that allows the room's natural colors to come into their own. LED light bulbs are both energy efficient and long-lasting, with a lifetime of approximately 25,000 hours which are two benefits that allow you to save money on both bulb replacements and electricity. This LED light bulb spreads the same light as a traditional 100W light bulb – without flickering or emitting any sound. The color rendering index (CRI) of a light bulb defines how well the light reflects true colors. A value above 80 is good and close to a natural light. This light bulb has an index of 90. LED light bulbs are available with different color temperatures that make the light feel more or less warm. This particular light bulb emits a warm-white light (2,700 Kelvin). The outer casing is made of durable plastic and can withstand temperatures from -4°F to 104°F (-20°C to +40°C). Illuminates at full power immediately when you turn the lamp on. As the light can be dimmed, you are able to choose lighting suitable for every occasion.