Easy to install, no delay in start up, the bulb comes on with no flickering. Nicer to have the bulb in an overhead fluorescent fixture than as an lamp on a desk. My birbs are happier now and their feathers have perked up again.

The bulbs are very bight- in our case for a smaller but darker room, do well inside our larger, high-end lampshade. The one problem is, they are physically kind of large - larger than an old 100w incandescent bulb. They seems solidly lit after this in...  Read More

As of november 2022, the bulb is advertised as 4. Tossed it. Only lasted 2 months. I suspect the leds are still good but the electronic circuit has failed.

I love the brightness of these bulbs but they burned out after 1 month of them being in my indoor dimmer switch. They are just as bright but, the flickering is very annoying when you are trying to read.