About this product Immediately delivers 1055 lumens of light, with no warm-up time required to reach its maximum light level. With a color temperature of 5000 Kelvin, this bulb provides a warm white light that creates a welcoming ambiance in any room. Consuming 10 watts of energy for an annual running cost of just 2.41 euros, the bulb saves 87% energy per year compared to an incandescent lamp. incandescent equivalent and 214.52 euros over its lifetime (based on 3 hours of use per day at 0.22 €/kWh; may vary depending on electricity prices and usage). The excellent color rendering index (CRI>80) allows for vivid and natural colors. Non-dimmable bulbs, not compatible with dimmer switches.