LED BR40 light bulbs have a face diameter of 5 inches and are designed to replace standard 65W to 80W incandescent BR40 bulbs in 6 inch recessed cans. The LED bulbs save up to 80% on energy costs compared to incandescent and offer a long 15,000 to 25,000 hour rated life. The LED bulbs in this category also include options for neutral white (3000K), cool white (4000K) and very cool white (5000K) illumination. Dimming is a standard feature. If you need assistance, call 800-784-1998 to speak to a lighting specialist.