The Luminus® 4" LED disc light is a universal surface mount that is a simple solution to replace bulbs, flush mounts, recessed trims and fits in most junction boxes. This 4-in. disc light can be installed in standard 4" x 2-1/8" octagon and round junction boxes. It can also be installed in 4" IC and non-IC recessed housing. They are ideal for general lighting and replace a traditional 65-W bulb. Luminus® LED disc lights are available in the versatile soft white (3000 K) temperature and they are dimmable to suit any mood. This bulb has an average life of 40,000 hours, is Energy Star® certified, RoHS compliant and mercury-free, making it an energy efficient, environmentally conscious alternative to conventional bulbs.