Philips DE3175WLED Ultinon LED Bulb (White), 1 Pack,Large

its brightness is perfect not to high nor too low

Excellent

I quite like this LED. I purchased it to repair a burnt out incandescent dome light in my car. And this LED does the trick. First off, it definitely is brighter, by about 30%. The LED itself is unidirectional, as opposed to the omnidirectional incandescent bulbs (the idea here being that the LED projects light in 180 degrees and that there is a backside to this LED that projects no light while the incandescent bulb has 360 degree light projection). The LED runs cooler and seems to be still able to be dimmable, handling the dimming effect my car requires of it very well. It also comes on immediately without lag. The bulb itself also feels very high quality and on the box is advertised to have a lifespan of 8 years. While I can't tell you if it'll hold up to 8 years, I have had computer monitors with LED backlighting that have lasted more than a decade now. So to think that these things can last 8 years is probably not ludicrous. Also Philips does offer an 8 year/250,000 miles warranty on these bulbs. All you have to do is register your product and even if your bulb does die prematurely you can likely get a replacement. So all in all, a great deal. Note that you can likely get these bulbs off Rockauto for 2-5$ less (including shipping and everything). I opted for Amazon because the return is free and the delivery is quicker. But if you are also thinking of getting some other autoparts or just more of these bulbs, Rockauto may be a good vendor to get these from. Also Rockauto offers a "less premium" model than the Ultinon (for my model of car at least). In case you dont need to spend that much or just need more.

Awsome product I loved the bright light.

I dont like doing things twice - so i buy Philips

Very poor brightness.One of the worst light

Fit perfect in a 2016 Subaru Crosstrek. I had tried the Sylvania first... they are too long, and not as bright. The Philips are listed as 30mm, where the Sylvania are 31mm. It makes a difference, as I was really struggling to get the Sylvania to fit. Hopefully they have a long life. Note: As of 5-12-2024, the Amazon Title says: Philips 578 Ultinon LED Bulb, but when you add to your cart, they show up correctly as: Philips DE3175WLED Ultinon LED Bulb, and that's what arrived, which also matched the picture that is shown.