Ikea's LEDARE LED bulb E17 reflector R14 (4 Pack) Ikea's LEDARE LED bulb E17 reflector R14 (4 Pack) consumes 80% less energy It lasts 20 times longer than incandescent bulbs. This bulb emits 150 lumens, which is approximately equal to the light emitted by a 15-watt incandescent bulb. Not dimmable. LED life time approx. 20,000 hours.