I bought a pack of 6 to replace six 50 Watt PAR 20 lamps. These are exact replacements for the incandescent long neck bulbs. The 2700 degree color is uniform among all 6 and very pleasant. All 6 together use slightly less power than 1 incandescent bulb. I did not rate longevity, because I've had the LEDs for only a couple of days, but they are rated10,000 hours. The incandescent bulbs the LEDs replaced are rated 500 hours. If you hate changing bulbs, especially ones in ceiling cans, and if these live up to the 10,000 hour lifetime, your prayers are answered.
Rating: [5 of 5 Stars!]